Bitrix element update error

    public function Update($ID, $arFields, $bWorkFlow=false, $bUpdateSearch=true, $bResizePictures=false, $bCheckDiskQuota=true)
    {
        global $DB;
        $ID = (int)$ID;

        $db_element = CIBlockElement::GetList(array(), array("ID"=>$ID, "SHOW_HISTORY"=>"Y"), false, false,
            array(
                "ID",
                "TIMESTAMP_X",
                "MODIFIED_BY",
                "DATE_CREATE",
                "CREATED_BY",
                "IBLOCK_ID",
                "IBLOCK_SECTION_ID",
                "ACTIVE",
                "ACTIVE_FROM",
                "ACTIVE_TO",
                "SORT",
                "NAME",
                "PREVIEW_PICTURE",
                "PREVIEW_TEXT",
                "PREVIEW_TEXT_TYPE",
                "DETAIL_PICTURE",
                "DETAIL_TEXT",
                "DETAIL_TEXT_TYPE",
                "WF_STATUS_ID",
                "WF_PARENT_ELEMENT_ID",
                "WF_NEW",
                "WF_COMMENTS",
                "IN_SECTIONS",
                "CODE",
                "TAGS",
                "XML_ID",
                "TMP_ID",
            )
        );
        if(!($ar_element = $db_element->Fetch()))
            return false;

        $arIBlock = CIBlock::GetArrayByID($ar_element["IBLOCK_ID"]);
        $bWorkFlow = $bWorkFlow && is_array($arIBlock) && ($arIBlock["WORKFLOW"] != "N") && $this->workflowIncluded;

        $ar_wf_element = $ar_element;

        self::$elementIblock[$ID] = $arIBlock["ID"];

        $LAST_ID = 0;
        if($bWorkFlow)
        {
            $LAST_ID = CIBlockElement::WF_GetLast($ID);
            if($LAST_ID!=$ID)
            {
                $db_element = CIBlockElement::GetByID($LAST_ID);
                if(!($ar_wf_element = $db_element->Fetch()))
                    return false;
            }

            $arFields["WF_PARENT_ELEMENT_ID"] = $ID;

            if(!isset($arFields["PROPERTY_VALUES"]) || !is_array($arFields["PROPERTY_VALUES"]))
                $arFields["PROPERTY_VALUES"] = array();

            $bFieldProps = array();
            foreach($arFields["PROPERTY_VALUES"] as $k=>$v)
                $bFieldProps[$k]=true;

            $arFieldProps = &$arFields['PROPERTY_VALUES'];
            $props = CIBlockElement::GetProperty($ar_element["IBLOCK_ID"], $ar_wf_element["ID"]);
            while($arProp = $props->Fetch())
            {
                $pr_val_id = $arProp['PROPERTY_VALUE_ID'];
                if($arProp['PROPERTY_TYPE']=='F' && $pr_val_id <> '')
                {
                    if($arProp["CODE"] <> '' && is_set($arFieldProps, $arProp["CODE"]))
                        $pr_id = $arProp["CODE"];
                    else
                        $pr_id = $arProp['ID'];

                    if(
                        array_key_exists($pr_id, $arFieldProps)
                        && array_key_exists($pr_val_id, $arFieldProps[$pr_id])
                        && is_array($arFieldProps[$pr_id][$pr_val_id])
                    )
                    {
                        $new_value = $arFieldProps[$pr_id][$pr_val_id];
                        if(
                            $new_value['name'] == ''
                            && $new_value['del'] != "Y"
                            && $new_value['VALUE']['name'] == ''
                            && $new_value['VALUE']['del'] != "Y"
                        )
                        {
                            if(
                                array_key_exists('DESCRIPTION', $new_value)
                                && ($new_value['DESCRIPTION'] != $arProp['DESCRIPTION'])
                            )
                            {
                                $p = Array("VALUE"=>CFile::MakeFileArray($arProp['VALUE']));
                                $p["DESCRIPTION"] = $new_value["DESCRIPTION"];
                                $p["MODULE_ID"] = "iblock";
                                $arFieldProps[$pr_id][$pr_val_id] = $p;
                            }
                            elseif($arProp['VALUE'] > 0)
                            {
                                $arFieldProps[$pr_id][$pr_val_id] = array("VALUE"=>$arProp['VALUE'],"DESCRIPTION"=>$arProp["DESCRIPTION"]);
                            }
                        }
                    }
                    else
                    {
                        $arFieldProps[$pr_id][$pr_val_id] = array("VALUE"=>$arProp['VALUE'],"DESCRIPTION"=>$arProp["DESCRIPTION"]);
                    }

                    continue;
                }

                if (
                    $pr_val_id == ''
                    || array_key_exists($arProp["ID"], $bFieldProps)
                    || (
                        $arProp["CODE"] <> ''
                        && array_key_exists($arProp["CODE"], $bFieldProps)
                    )
                )
                    continue;

                $arFieldProps[$arProp["ID"]][$pr_val_id] = array("VALUE"=>$arProp['VALUE'],"DESCRIPTION"=>$arProp["DESCRIPTION"]);
            }

            if($ar_wf_element["IN_SECTIONS"] == "Y")
            {
                $ar_wf_element["IBLOCK_SECTION"] = array();
                $rsSections = CIBlockElement::GetElementGroups($ar_element["ID"], true, array('ID', 'IBLOCK_ELEMENT_ID'));
                while($arSection = $rsSections->Fetch())
                    $ar_wf_element["IBLOCK_SECTION"][] = $arSection["ID"];
            }

            unset($ar_wf_element["DATE_ACTIVE_FROM"],
                $ar_wf_element["DATE_ACTIVE_TO"],
                $ar_wf_element["EXTERNAL_ID"],
                $ar_wf_element["TIMESTAMP_X"],
                $ar_wf_element["IBLOCK_SECTION_ID"],
                $ar_wf_element["ID"]
            );

            $arFields = $arFields + $ar_wf_element;
        }

        $arFields["WF"] = ($bWorkFlow?"Y":"N");

        $bBizProc = is_array($arIBlock) && ($arIBlock["BIZPROC"] == "Y") && $this->bizprocInstalled;
        if(array_key_exists("BP_PUBLISHED", $arFields))
        {
            if($bBizProc)
            {
                if($arFields["BP_PUBLISHED"] == "Y")
                {
                    $arFields["WF_STATUS_ID"] = 1;
                    $arFields["WF_NEW"] = false;
                }
                else
                {
                    $arFields["WF_STATUS_ID"] = 2;
                    $arFields["WF_NEW"] = "Y";
                    $arFields["BP_PUBLISHED"] = "N";
                }
            }
            else
            {
                $arFields["WF_NEW"] = false;
                unset($arFields["BP_PUBLISHED"]);
            }
        }
        else
        {
            $arFields["WF_NEW"] = false;
        }

        if (array_key_exists('NAME', $arFields) && $arFields['NAME'] === null)
        {
            unset($arFields['NAME']);
        }

        if (isset($arFields["ACTIVE"]) && $arFields["ACTIVE"] != "Y")
        {
            $arFields["ACTIVE"] = "N";
        }

        if (isset($arFields["PREVIEW_TEXT_TYPE"]) && $arFields["PREVIEW_TEXT_TYPE"] != "html")
        {
            $arFields["PREVIEW_TEXT_TYPE"] = "text";
        }

        if (isset($arFields["DETAIL_TEXT_TYPE"]) && $arFields["DETAIL_TEXT_TYPE"] != "html")
        {
            $arFields["DETAIL_TEXT_TYPE"] = "text";
        }

        $strWarning = "";
        if($bResizePictures)
        {
            $arDef = $arIBlock["FIELDS"]["PREVIEW_PICTURE"]["DEFAULT_VALUE"];

            if(
                $arDef["DELETE_WITH_DETAIL"] === "Y"
                && isset($arFields["DETAIL_PICTURE"])
                && is_array($arFields["DETAIL_PICTURE"])
                && $arFields["DETAIL_PICTURE"]["del"] === "Y"
            )
            {
                $arFields["PREVIEW_PICTURE"]["del"] = "Y";
            }

            if(
                $arDef["FROM_DETAIL"] === "Y"
                && (
                    !isset($arFields["PREVIEW_PICTURE"])
                    || (is_array($arFields["PREVIEW_PICTURE"]) && $arFields["PREVIEW_PICTURE"]["size"] <= 0)
                    || $arDef["UPDATE_WITH_DETAIL"] === "Y"
                )
                && isset($arFields["DETAIL_PICTURE"])
                && is_array($arFields["DETAIL_PICTURE"])
                && $arFields["DETAIL_PICTURE"]["size"] > 0
            )
            {
                if(
                    $arFields["PREVIEW_PICTURE"]["del"] !== "Y"
                    && $arDef["UPDATE_WITH_DETAIL"] !== "Y"
                )
                {
                    $rsElement = CIBlockElement::GetList(Array("ID" => "DESC"), Array("ID" => $ar_wf_element["ID"], "IBLOCK_ID" => $ar_wf_element["IBLOCK_ID"], "SHOW_HISTORY"=>"Y"), false, false, Array("ID", "PREVIEW_PICTURE"));
                    $arOldElement = $rsElement->Fetch();
                }
                else
                {
                    $arOldElement = false;
                }

                if(!$arOldElement || !$arOldElement["PREVIEW_PICTURE"])
                {
                    $arNewPreview = $arFields["DETAIL_PICTURE"];
                    $arNewPreview["COPY_FILE"] = "Y";
                    if (
                        isset($arFields["PREVIEW_PICTURE"])
                        && is_array($arFields["PREVIEW_PICTURE"])
                        && isset($arFields["PREVIEW_PICTURE"]["description"])
                    )
                    {
                        $arNewPreview["description"] = $arFields["PREVIEW_PICTURE"]["description"];
                    }

                    $arFields["PREVIEW_PICTURE"] = $arNewPreview;
                }
            }

            if(
                isset($arFields["PREVIEW_PICTURE"])
                && is_array($arFields["PREVIEW_PICTURE"])
                && $arFields["PREVIEW_PICTURE"]["size"] > 0
                && $arDef["SCALE"] === "Y"
            )
            {
                $arNewPicture = CIBlock::ResizePicture($arFields["PREVIEW_PICTURE"], $arDef);
                if(is_array($arNewPicture))
                {
                    $arNewPicture["description"] = $arFields["PREVIEW_PICTURE"]["description"];
                    $arFields["PREVIEW_PICTURE"] = $arNewPicture;
                }
                elseif($arDef["IGNORE_ERRORS"] !== "Y")
                {
                    unset($arFields["PREVIEW_PICTURE"]);
                    $strWarning .= GetMessage("IBLOCK_FIELD_PREVIEW_PICTURE").": ".$arNewPicture."<br>";
                }
            }

            if(
                isset($arFields["PREVIEW_PICTURE"])
                && is_array($arFields["PREVIEW_PICTURE"])
                && $arDef["USE_WATERMARK_FILE"] === "Y"
            )
            {
                if(
                    $arFields["PREVIEW_PICTURE"]["tmp_name"] <> ''
                    && (
                        $arFields["PREVIEW_PICTURE"]["tmp_name"] === $arFields["DETAIL_PICTURE"]["tmp_name"]
                        || ($arFields["PREVIEW_PICTURE"]["COPY_FILE"] == "Y" && !$arFields["PREVIEW_PICTURE"]["copy"])
                    )
                )
                {
                    $tmp_name = CTempFile::GetFileName(basename($arFields["PREVIEW_PICTURE"]["tmp_name"]));
                    CheckDirPath($tmp_name);
                    copy($arFields["PREVIEW_PICTURE"]["tmp_name"], $tmp_name);
                    $arFields["PREVIEW_PICTURE"]["copy"] = true;
                    $arFields["PREVIEW_PICTURE"]["tmp_name"] = $tmp_name;
                }

                CIBlock::FilterPicture($arFields["PREVIEW_PICTURE"]["tmp_name"], array(
                    "name" => "watermark",
                    "position" => $arDef["WATERMARK_FILE_POSITION"],
                    "type" => "file",
                    "size" => "real",
                    "alpha_level" => 100 - min(max($arDef["WATERMARK_FILE_ALPHA"], 0), 100),
                    "file" => $_SERVER["DOCUMENT_ROOT"].Rel2Abs("/", $arDef["WATERMARK_FILE"]),
                ));
            }

            if(
                isset($arFields["PREVIEW_PICTURE"])
                && is_array($arFields["PREVIEW_PICTURE"])
                && $arDef["USE_WATERMARK_TEXT"] === "Y"
            )
            {
                if(
                    $arFields["PREVIEW_PICTURE"]["tmp_name"] <> ''
                    && (
                        $arFields["PREVIEW_PICTURE"]["tmp_name"] === $arFields["DETAIL_PICTURE"]["tmp_name"]
                        || ($arFields["PREVIEW_PICTURE"]["COPY_FILE"] == "Y" && !$arFields["PREVIEW_PICTURE"]["copy"])
                    )
                )
                {
                    $tmp_name = CTempFile::GetFileName(basename($arFields["PREVIEW_PICTURE"]["tmp_name"]));
                    CheckDirPath($tmp_name);
                    copy($arFields["PREVIEW_PICTURE"]["tmp_name"], $tmp_name);
                    $arFields["PREVIEW_PICTURE"]["copy"] = true;
                    $arFields["PREVIEW_PICTURE"]["tmp_name"] = $tmp_name;
                }

                CIBlock::FilterPicture($arFields["PREVIEW_PICTURE"]["tmp_name"], array(
                    "name" => "watermark",
                    "position" => $arDef["WATERMARK_TEXT_POSITION"],
                    "type" => "text",
                    "coefficient" => $arDef["WATERMARK_TEXT_SIZE"],
                    "text" => $arDef["WATERMARK_TEXT"],
                    "font" => $_SERVER["DOCUMENT_ROOT"].Rel2Abs("/", $arDef["WATERMARK_TEXT_FONT"]),
                    "color" => $arDef["WATERMARK_TEXT_COLOR"],
                ));
            }

            $arDef = $arIBlock["FIELDS"]["DETAIL_PICTURE"]["DEFAULT_VALUE"];

            if(
                isset($arFields["DETAIL_PICTURE"])
                && is_array($arFields["DETAIL_PICTURE"])
                && $arDef["SCALE"] === "Y"
            )
            {
                $arNewPicture = CIBlock::ResizePicture($arFields["DETAIL_PICTURE"], $arDef);
                if(is_array($arNewPicture))
                {
                    $arNewPicture["description"] = $arFields["DETAIL_PICTURE"]["description"];
                    $arFields["DETAIL_PICTURE"] = $arNewPicture;
                }
                elseif($arDef["IGNORE_ERRORS"] !== "Y")
                {
                    unset($arFields["DETAIL_PICTURE"]);
                    $strWarning .= GetMessage("IBLOCK_FIELD_DETAIL_PICTURE").": ".$arNewPicture."<br>";
                }
            }

            if(
                isset($arFields["DETAIL_PICTURE"])
                && is_array($arFields["DETAIL_PICTURE"])
                && $arDef["USE_WATERMARK_FILE"] === "Y"
            )
            {
                if(
                    $arFields["DETAIL_PICTURE"]["tmp_name"] <> ''
                    && (
                        $arFields["DETAIL_PICTURE"]["tmp_name"] === $arFields["PREVIEW_PICTURE"]["tmp_name"]
                        || ($arFields["DETAIL_PICTURE"]["COPY_FILE"] == "Y" && !$arFields["DETAIL_PICTURE"]["copy"])
                    )
                )
                {
                    $tmp_name = CTempFile::GetFileName(basename($arFields["DETAIL_PICTURE"]["tmp_name"]));
                    CheckDirPath($tmp_name);
                    copy($arFields["DETAIL_PICTURE"]["tmp_name"], $tmp_name);
                    $arFields["DETAIL_PICTURE"]["copy"] = true;
                    $arFields["DETAIL_PICTURE"]["tmp_name"] = $tmp_name;
                }

                CIBlock::FilterPicture($arFields["DETAIL_PICTURE"]["tmp_name"], array(
                    "name" => "watermark",
                    "position" => $arDef["WATERMARK_FILE_POSITION"],
                    "type" => "file",
                    "size" => "real",
                    "alpha_level" => 100 - min(max($arDef["WATERMARK_FILE_ALPHA"], 0), 100),
                    "file" => $_SERVER["DOCUMENT_ROOT"].Rel2Abs("/", $arDef["WATERMARK_FILE"]),
                ));
            }

            if(
                isset($arFields["DETAIL_PICTURE"])
                && is_array($arFields["DETAIL_PICTURE"])
                && $arDef["USE_WATERMARK_TEXT"] === "Y"
            )
            {
                if(
                    $arFields["DETAIL_PICTURE"]["tmp_name"] <> ''
                    && (
                        $arFields["DETAIL_PICTURE"]["tmp_name"] === $arFields["PREVIEW_PICTURE"]["tmp_name"]
                        || ($arFields["DETAIL_PICTURE"]["COPY_FILE"] == "Y" && !$arFields["DETAIL_PICTURE"]["copy"])
                    )
                )
                {
                    $tmp_name = CTempFile::GetFileName(basename($arFields["DETAIL_PICTURE"]["tmp_name"]));
                    CheckDirPath($tmp_name);
                    copy($arFields["DETAIL_PICTURE"]["tmp_name"], $tmp_name);
                    $arFields["DETAIL_PICTURE"]["copy"] = true;
                    $arFields["DETAIL_PICTURE"]["tmp_name"] = $tmp_name;
                }

                CIBlock::FilterPicture($arFields["DETAIL_PICTURE"]["tmp_name"], array(
                    "name" => "watermark",
                    "position" => $arDef["WATERMARK_TEXT_POSITION"],
                    "type" => "text",
                    "coefficient" => $arDef["WATERMARK_TEXT_SIZE"],
                    "text" => $arDef["WATERMARK_TEXT"],
                    "font" => $_SERVER["DOCUMENT_ROOT"].Rel2Abs("/", $arDef["WATERMARK_TEXT_FONT"]),
                    "color" => $arDef["WATERMARK_TEXT_COLOR"],
                ));
            }
        }

        $ipropTemplates = new BitrixIblockInheritedPropertyElementTemplates($ar_element["IBLOCK_ID"], $ar_element["ID"]);
        if(isset($arFields["PREVIEW_PICTURE"]) && is_array($arFields["PREVIEW_PICTURE"]))
        {
            if(
                $arFields["PREVIEW_PICTURE"]["name"] == ''
                && $arFields["PREVIEW_PICTURE"]["del"] == ''
                && !is_set($arFields["PREVIEW_PICTURE"], "description")
            )
            {
                unset($arFields["PREVIEW_PICTURE"]);
            }
            else
            {
                $arFields["PREVIEW_PICTURE"]["MODULE_ID"] = "iblock";
                $arFields["PREVIEW_PICTURE"]["old_file"] = $ar_wf_element["PREVIEW_PICTURE"];
                $arFields["PREVIEW_PICTURE"]["name"] = BitrixIblockTemplateHelper::makeFileName(
                    $ipropTemplates
                    ,"ELEMENT_PREVIEW_PICTURE_FILE_NAME"
                    ,array_merge($ar_element, $arFields)
                    ,$arFields["PREVIEW_PICTURE"]
                );
            }
        }

        if(isset($arFields["DETAIL_PICTURE"]) && is_array($arFields["DETAIL_PICTURE"]))
        {
            if(
                $arFields["DETAIL_PICTURE"]["name"] == ''
                && $arFields["DETAIL_PICTURE"]["del"] == ''
                && !is_set($arFields["DETAIL_PICTURE"], "description")
            )
            {
                unset($arFields["DETAIL_PICTURE"]);
            }
            else
            {
                $arFields["DETAIL_PICTURE"]["MODULE_ID"] = "iblock";
                $arFields["DETAIL_PICTURE"]["old_file"] = $ar_wf_element["DETAIL_PICTURE"];
                $arFields["DETAIL_PICTURE"]["name"] = BitrixIblockTemplateHelper::makeFileName(
                    $ipropTemplates
                    ,"ELEMENT_DETAIL_PICTURE_FILE_NAME"
                    ,array_merge($ar_element, $arFields)
                    ,$arFields["DETAIL_PICTURE"]
                );
            }
        }

        if(is_set($arFields, "DATE_ACTIVE_FROM"))
            $arFields["ACTIVE_FROM"] = $arFields["DATE_ACTIVE_FROM"];
        if(is_set($arFields, "DATE_ACTIVE_TO"))
            $arFields["ACTIVE_TO"] = $arFields["DATE_ACTIVE_TO"];
        if(is_set($arFields, "EXTERNAL_ID"))
            $arFields["XML_ID"] = $arFields["EXTERNAL_ID"];

        if (isset($arFields['NAME']) && is_array($arFields['NAME']))
        {
            unset($arFields['NAME']);
        }

        $existFields = array(
            'NAME' => isset($arFields['NAME']),
            'PREVIEW_TEXT' => array_key_exists('PREVIEW_TEXT', $arFields),
            'DETAIL_TEXT' => array_key_exists('DETAIL_TEXT', $arFields)
        );
        $searchableFields = [
            'NAME' => $existFields['NAME'] ? $arFields["NAME"] : $ar_wf_element["NAME"],
            'PREVIEW_TEXT' => $existFields['PREVIEW_TEXT'] ? $arFields["PREVIEW_TEXT"]: $ar_wf_element["PREVIEW_TEXT"],
            'PREVIEW_TEXT_TYPE' => $arFields["PREVIEW_TEXT_TYPE"] ?? $ar_wf_element["PREVIEW_TEXT_TYPE"],
            'DETAIL_TEXT' => $existFields['DETAIL_TEXT'] ? $arFields["DETAIL_TEXT"]: $ar_wf_element["DETAIL_TEXT"],
            'DETAIL_TEXT_TYPE' => $arFields["DETAIL_TEXT_TYPE"] ?? $ar_wf_element["DETAIL_TEXT_TYPE"],
        ];

        if ($this->searchIncluded)
        {
            $arFields["SEARCHABLE_CONTENT"] = ToUpper(
                $searchableFields['NAME']."rn".
                ($searchableFields['PREVIEW_TEXT_TYPE'] == "html" ? HTMLToTxt($searchableFields['PREVIEW_TEXT']) : $searchableFields['PREVIEW_TEXT'])."rn".
                ($searchableFields['DETAIL_TEXT_TYPE'] == "html" ? HTMLToTxt($searchableFields['DETAIL_TEXT']) : $searchableFields['DETAIL_TEXT'])
            );
        }

        if(array_key_exists("IBLOCK_SECTION_ID", $arFields))
        {
            if (!array_key_exists("IBLOCK_SECTION", $arFields))
            {
                $arFields["IBLOCK_SECTION"] = array($arFields["IBLOCK_SECTION_ID"]);
            }
            elseif (is_array($arFields["IBLOCK_SECTION"]) && !in_array($arFields["IBLOCK_SECTION_ID"], $arFields["IBLOCK_SECTION"]))
            {
                unset($arFields["IBLOCK_SECTION_ID"]);

            }
        }

        $arFields["IBLOCK_ID"] = $ar_element["IBLOCK_ID"];

        if(!$this->CheckFields($arFields, $ID, $bCheckDiskQuota) || $strWarning != '')
        {
            $this->LAST_ERROR .= $strWarning;
            $Result = false;
            $arFields["RESULT_MESSAGE"] = &$this->LAST_ERROR;
        }
        else
        {
            unset($arFields["ID"]);

            if(array_key_exists("PREVIEW_PICTURE", $arFields))
            {
                $SAVED_PREVIEW_PICTURE = $arFields["PREVIEW_PICTURE"];
            }
            else
            {
                $SAVED_PREVIEW_PICTURE = false;
            }

            if(array_key_exists("DETAIL_PICTURE", $arFields))
            {
                $SAVED_DETAIL_PICTURE = $arFields["DETAIL_PICTURE"];
            }
            else
            {
                $SAVED_DETAIL_PICTURE = false;
            }

            // edit was done in workflow mode
            if($bWorkFlow)
            {
                $arFields["WF_PARENT_ELEMENT_ID"] = $ID;

                if(array_key_exists("PREVIEW_PICTURE", $arFields))
                {
                    if(is_array($arFields["PREVIEW_PICTURE"]))
                    {
                        if(
                            $arFields["PREVIEW_PICTURE"]["name"] == ''
                            && $arFields["PREVIEW_PICTURE"]["del"] == ''
                        )
                        {
                            if(array_key_exists("description", $arFields["PREVIEW_PICTURE"]))
                            {
                                $arFile = CFile::GetFileArray($ar_wf_element["PREVIEW_PICTURE"]);
                                if($arFields["PREVIEW_PICTURE"]["description"] != $arFile["DESCRIPTION"])
                                {//Description updated, so it's new file
                                    $arNewFile = CFile::MakeFileArray($ar_wf_element["PREVIEW_PICTURE"]);
                                    $arNewFile["description"] = $arFields["PREVIEW_PICTURE"]["description"];
                                    $arNewFile["MODULE_ID"] = "iblock";
                                    $arFields["PREVIEW_PICTURE"] = $arNewFile;
                                }
                                else
                                {
                                    $arFields["PREVIEW_PICTURE"] = $ar_wf_element["PREVIEW_PICTURE"];
                                }
                            }
                            else
                            {
                                //File was not changed at all
                                $arFields["PREVIEW_PICTURE"] = $ar_wf_element["PREVIEW_PICTURE"];
                            }
                        }
                        else
                        {
                            unset($arFields["PREVIEW_PICTURE"]["old_file"]);
                        }
                    }
                }
                else
                {
                    $arFields["PREVIEW_PICTURE"] = $ar_wf_element["PREVIEW_PICTURE"];
                }

                if(array_key_exists("DETAIL_PICTURE", $arFields))
                {
                    if(is_array($arFields["DETAIL_PICTURE"]))
                    {
                        if(
                            $arFields["DETAIL_PICTURE"]["name"] == ''
                            && $arFields["DETAIL_PICTURE"]["del"] == ''
                        )
                        {
                            if(array_key_exists("description", $arFields["DETAIL_PICTURE"]))
                            {
                                $arFile = CFile::GetFileArray($ar_wf_element["DETAIL_PICTURE"]);
                                if($arFields["DETAIL_PICTURE"]["description"] != $arFile["DESCRIPTION"])
                                {//Description updated, so it's new file
                                    $arNewFile = CFile::MakeFileArray($ar_wf_element["DETAIL_PICTURE"]);
                                    $arNewFile["description"] = $arFields["DETAIL_PICTURE"]["description"];
                                    $arNewFile["MODULE_ID"] = "iblock";
                                    $arFields["DETAIL_PICTURE"] = $arNewFile;
                                }
                                else
                                {
                                    $arFields["DETAIL_PICTURE"] = $ar_wf_element["DETAIL_PICTURE"];
                                }
                            }
                            else
                            {
                                //File was not changed at all
                                $arFields["DETAIL_PICTURE"] = $ar_wf_element["DETAIL_PICTURE"];
                            }
                        }
                        else
                        {
                            unset($arFields["DETAIL_PICTURE"]["old_file"]);
                        }
                    }
                }
                else
                {
                    $arFields["DETAIL_PICTURE"] = $ar_wf_element["DETAIL_PICTURE"];
                }

                $NID = $this->Add($arFields);
                if($NID>0)
                {
                    if($arFields["WF_STATUS_ID"]==1)
                    {
                        $DB->Query("UPDATE b_iblock_element SET TIMESTAMP_X=TIMESTAMP_X, WF_NEW=null WHERE ID=".$ID);
                        $DB->Query("UPDATE b_iblock_element SET TIMESTAMP_X=TIMESTAMP_X, WF_NEW=null WHERE WF_PARENT_ELEMENT_ID=".$ID);
                        $ar_wf_element["WF_NEW"] = false;
                    }

                    if($this->bWF_SetMove)
                        CIBlockElement::WF_SetMove($NID, $LAST_ID);

                    if($ar_element["WF_STATUS_ID"] != 1
                        && $ar_wf_element["WF_STATUS_ID"] != $arFields["WF_STATUS_ID"]
                        && $arFields["WF_STATUS_ID"] != 1
                        )
                    {
                        $DB->Query("UPDATE b_iblock_element SET TIMESTAMP_X=TIMESTAMP_X, WF_STATUS_ID=".(int)$arFields["WF_STATUS_ID"]." WHERE ID=".$ID);
                    }
                }

                //element was not published, so keep original
                if(
                    (is_set($arFields, "WF_STATUS_ID") && $arFields["WF_STATUS_ID"]!=1 && $ar_element["WF_STATUS_ID"]==1)
                    || (!is_set($arFields, "WF_STATUS_ID") && $ar_wf_element["WF_STATUS_ID"]!=1)
                )
                {
                    CIBlockElement::WF_CleanUpHistoryCopies($ID);
                    return true;
                }

                $arFields['WF_PARENT_ELEMENT_ID'] = false;

                $rs = $DB->Query("SELECT PREVIEW_PICTURE, DETAIL_PICTURE from b_iblock_element WHERE ID = ".(int)$NID);
                $ar_new_element = $rs->Fetch();
            }
            else
            {
                $ar_new_element = false;
            }

            if($ar_new_element)
            {
                if(!intval($ar_new_element["PREVIEW_PICTURE"]))
                    $arFields["PREVIEW_PICTURE"] = false;
                else
                    $arFields["PREVIEW_PICTURE"] = $ar_new_element["PREVIEW_PICTURE"];

                if(!intval($ar_new_element["DETAIL_PICTURE"]))
                    $arFields["DETAIL_PICTURE"] = false;
                else
                    $arFields["DETAIL_PICTURE"] = $ar_new_element["DETAIL_PICTURE"];

                if(is_array($arFields["PROPERTY_VALUES"]) && !empty($arFields["PROPERTY_VALUES"]))
                {
                    $i = 0;
                    $db_prop = CIBlockProperty::GetList(array(), array(
                        "IBLOCK_ID" => $arFields["IBLOCK_ID"],
                        "CHECK_PERMISSIONS" => "N",
                        "PROPERTY_TYPE" => "F",
                    ));
                    while($arProp = $db_prop->Fetch())
                    {
                        $i++;
                        unset($arFields["PROPERTY_VALUES"][$arProp["CODE"]]);
                        unset($arFields["PROPERTY_VALUES"][$arProp["ID"]]);
                        $arFields["PROPERTY_VALUES"][$arProp["ID"]] = array();
                    }

                    if($i > 0)
                    {
                        //Delete previous files
                        $props = CIBlockElement::GetProperty($arFields["IBLOCK_ID"], $ID, "sort", "asc", array("PROPERTY_TYPE" => "F", "EMPTY" => "N"));
                        while($arProp = $props->Fetch())
                        {
                            $arFields["PROPERTY_VALUES"][$arProp["ID"]][$arProp['PROPERTY_VALUE_ID']] = array(
                                "VALUE" => array(
                                    "del" => "Y",
                                ),
                                "DESCRIPTION" => false,
                            );
                        }
                        //Add copy from history
                        $arDup = array();//This is cure for files duplication bug (just save element one more time)
                        $props = CIBlockElement::GetProperty($arFields["IBLOCK_ID"], $NID, "sort", "asc", array("PROPERTY_TYPE" => "F", "EMPTY" => "N"));
                        while($arProp = $props->Fetch())
                        {
                            if(!array_key_exists($arProp["VALUE"], $arDup))//This is cure for files duplication bug
                            {
                                $arFields["PROPERTY_VALUES"][$arProp["ID"]][$arProp['PROPERTY_VALUE_ID']] = array(
                                    "VALUE" => $arProp["VALUE"],
                                    "DESCRIPTION" => $arProp["DESCRIPTION"],
                                );
                                $arDup[$arProp["VALUE"]] = true;//This is cure for files duplication bug
                            }
                        }
                    }
                }
            }
            else
            {
                if(array_key_exists("PREVIEW_PICTURE", $arFields))
                    CFile::SaveForDB($arFields, "PREVIEW_PICTURE", "iblock");
                if(array_key_exists("DETAIL_PICTURE", $arFields))
                    CFile::SaveForDB($arFields, "DETAIL_PICTURE", "iblock");
            }

            $newFields = $arFields;
            $newFields["ID"] = $ID;
            $IBLOCK_SECTION_ID = $arFields["IBLOCK_SECTION_ID"];
            unset($arFields["IBLOCK_ID"], $arFields["WF_NEW"], $arFields["IBLOCK_SECTION_ID"]);

            $bTimeStampNA = false;
            if(is_set($arFields, "TIMESTAMP_X") && ($arFields["TIMESTAMP_X"] === NULL || $arFields["TIMESTAMP_X"]===false))
            {
                $bTimeStampNA = true;
                unset($arFields["TIMESTAMP_X"]);
                unset($newFields["TIMESTAMP_X"]);
            }

            foreach (GetModuleEvents("iblock", "OnIBlockElementUpdate", true) as $arEvent)
                ExecuteModuleEventEx($arEvent, array($newFields, $ar_wf_element));
            unset($newFields);

            $strUpdate = $DB->PrepareUpdate("b_iblock_element", $arFields, "iblock");

            if(!empty($strUpdate))
                $strUpdate .= ", ";

            $strSql = "UPDATE b_iblock_element SET ".$strUpdate.($bTimeStampNA?"TIMESTAMP_X=TIMESTAMP_X":"TIMESTAMP_X=now()")." WHERE ID=".$ID;
            $DB->Query($strSql, false, "FILE: ".__FILE__."<br> LINE: ".__LINE__);

            $existFields['PROPERTY_VALUES'] = (
                isset($arFields["PROPERTY_VALUES"])
                && is_array($arFields["PROPERTY_VALUES"])
                && !empty($arFields["PROPERTY_VALUES"])
            );

            if ($existFields['PROPERTY_VALUES'])
            {
                CIBlockElement::SetPropertyValues($ID, $ar_element["IBLOCK_ID"], $arFields["PROPERTY_VALUES"]);
            }

            if (!$this->searchIncluded)
            {
                if (
                    $existFields['NAME']
                    || $existFields['PREVIEW_TEXT']
                    || $existFields['DETAIL_TEXT']
                    || $existFields['PROPERTY_VALUES']
                )
                {
                    $elementFields = $arFields;
                    if (!$existFields['NAME'])
                    {
                        $elementFields['NAME'] = $searchableFields['NAME'];
                    }
                    if (!$existFields['PREVIEW_TEXT'])
                    {
                        $elementFields['PREVIEW_TEXT'] = $searchableFields['PREVIEW_TEXT'];
                        if (!isset($elementFields['PREVIEW_TEXT_TYPE']))
                        {
                            $elementFields['PREVIEW_TEXT_TYPE'] = $searchableFields['PREVIEW_TEXT_TYPE'];
                        }
                    }
                    if (!$existFields['DETAIL_TEXT'])
                    {
                        $elementFields['DETAIL_TEXT'] = $searchableFields['DETAIL_TEXT'];
                        if (!isset($elementFields['DETAIL_TEXT_TYPE']))
                        {
                            $elementFields['DETAIL_TEXT_TYPE'] = $searchableFields['DETAIL_TEXT_TYPE'];
                        }
                    }
                    $arFields['SEARCHABLE_CONTENT'] = $this->getSearchableContent($ID, $elementFields, $arIBlock);
                    unset($elementFields);
                    $updateFields = array(
                        'SEARCHABLE_CONTENT' => $arFields['SEARCHABLE_CONTENT']
                    );
                    $updateQuery = $DB->PrepareUpdate("b_iblock_element", $updateFields, "iblock");
                    if ($updateQuery != "")
                    {
                        $updateQuery .= ', TIMESTAMP_X = TIMESTAMP_X';
                        $DB->Query("UPDATE b_iblock_element SET ".$updateQuery." WHERE ID = ".$ID);
                    }
                    unset($updateFields);
                }
            }

            if(is_set($arFields, "IBLOCK_SECTION"))
                CIBlockElement::SetElementSection($ID, $arFields["IBLOCK_SECTION"], false, $arIBlock["RIGHTS_MODE"] === "E"? $arIBlock["ID"]: 0, $IBLOCK_SECTION_ID);

            if($arIBlock["RIGHTS_MODE"] === "E")
            {
                $obElementRights = new CIBlockElementRights($arIBlock["ID"], $ID);
                if(array_key_exists("RIGHTS", $arFields) && is_array($arFields["RIGHTS"]))
                    $obElementRights->SetRights($arFields["RIGHTS"]);
            }

            if (array_key_exists("IPROPERTY_TEMPLATES", $arFields))
            {
                $ipropTemplates = new BitrixIblockInheritedPropertyElementTemplates($arIBlock["ID"], $ID);
                $ipropTemplates->set($arFields["IPROPERTY_TEMPLATES"]);
            }

            if ($bUpdateSearch)
            {
                if ($this->searchIncluded)
                {
                    CIBlockElement::UpdateSearch($ID, true);
                }
            }

            BitrixIblockPropertyIndexManager::updateElementIndex($arIBlock["ID"], $ID);

            if($bWorkFlow)
            {
                CIBlockElement::WF_CleanUpHistoryCopies($ID);
            }

            //Restore saved values
            if($SAVED_PREVIEW_PICTURE !== false)
            {
                $arFields["PREVIEW_PICTURE_ID"] = $arFields["PREVIEW_PICTURE"];
                $arFields["PREVIEW_PICTURE"] = $SAVED_PREVIEW_PICTURE;
            }
            else
            {
                unset($arFields["PREVIEW_PICTURE"]);
            }

            if($SAVED_DETAIL_PICTURE !== false)
            {
                $arFields["DETAIL_PICTURE_ID"] = $arFields["DETAIL_PICTURE"];
                $arFields["DETAIL_PICTURE"] = $SAVED_DETAIL_PICTURE;
            }
            else
            {
                unset($arFields["DETAIL_PICTURE"]);
            }

            if($arIBlock["FIELDS"]["LOG_ELEMENT_EDIT"]["IS_REQUIRED"] == "Y")
            {
                //$USER_ID = is_object($USER)? intval($USER->GetID()) : 0;
                $arEvents = GetModuleEvents("main", "OnBeforeEventLog", true);
                if(empty($arEvents) || ExecuteModuleEventEx($arEvents[0], array($this->userId))===false) //$USER_ID
                {
                    $rsElement = CIBlockElement::GetList(
                        array(),
                        array("=ID" => $ID, "CHECK_PERMISSIONS" => "N", "SHOW_NEW" => "Y"),
                        false, false,
                        array("ID", "NAME", "LIST_PAGE_URL", "CODE")
                    );
                    $arElement = $rsElement->GetNext();
                    $res = array(
                        "ID" => $ID,
                        "CODE" => $arElement["CODE"],
                        "NAME" => $arElement["NAME"],
                        "ELEMENT_NAME" => $arIBlock["ELEMENT_NAME"],
                        "USER_ID" => $this->userId, // $USER_ID
                        "IBLOCK_PAGE_URL" => $arElement["LIST_PAGE_URL"],
                    );
                    CEventLog::Log(
                        "IBLOCK",
                        "IBLOCK_ELEMENT_EDIT",
                        "iblock",
                        $arIBlock["ID"],
                        serialize($res)
                    );
                }
            }
            $Result = true;

            /************* QUOTA *************/
            $_SESSION["SESS_RECOUNT_DB"] = "Y";
            /************* QUOTA *************/
        }

        $arFields["ID"] = $ID;
        $arFields["IBLOCK_ID"] = $ar_element["IBLOCK_ID"];
        $arFields["RESULT"] = &$Result;

        if(
            isset($arFields["PREVIEW_PICTURE"])
            && is_array($arFields["PREVIEW_PICTURE"])
            && $arFields["PREVIEW_PICTURE"]["COPY_FILE"] == "Y"
            && $arFields["PREVIEW_PICTURE"]["copy"]
        )
        {
            @unlink($arFields["PREVIEW_PICTURE"]["tmp_name"]);
            @rmdir(dirname($arFields["PREVIEW_PICTURE"]["tmp_name"]));
        }

        if(
            isset($arFields["DETAIL_PICTURE"])
            && is_array($arFields["DETAIL_PICTURE"])
            && $arFields["DETAIL_PICTURE"]["COPY_FILE"] == "Y"
            && $arFields["DETAIL_PICTURE"]["copy"]
        )
        {
            @unlink($arFields["DETAIL_PICTURE"]["tmp_name"]);
            @rmdir(dirname($arFields["DETAIL_PICTURE"]["tmp_name"]));
        }

        foreach (GetModuleEvents("iblock", "OnAfterIBlockElementUpdate", true) as $arEvent)
            ExecuteModuleEventEx($arEvent, array(&$arFields));

        CIBlock::clearIblockTagCache($arIBlock['ID']);

        return $Result;
    }