Загрузка изображения - 502 ошибка

$bLargeImageIsCorrect =
         // Поле файла большого изображения существует
         !is_null($aFileData = Core_Array::getFiles('image', NULL))
         // и передан файл
         && intval($aFileData['size']) > 0;

      if ($bLargeImageIsCorrect){

               if (Core_File::isValidExtension($aFileData['name'], Core::$mainConfig['availableExtension']))
               {
              
                 $ext = Core_File::getExtension($aFileData['name']);
                  // Указание изображений
                  $param = array();
                  $param['large_image_source'] =$aFileData['tmp_name'];
//echo $aFileData['tmp_name'];
                $large_image = 'information_items_' . $oInformationsystem_Item->id . '.' . $ext;

                $small_image = 'small_' . $large_image;
                  $param['large_image_name'] = $large_image;
                  $param['small_image_name'] = $small_image;
                  $param['large_image_target'] = $oInformationsystem_Item->getItemPath() . Core_File::convertFileNameToLocalEncoding($large_image);
                  $param['small_image_target'] = $oInformationsystem_Item->getItemPath() . Core_File::convertFileNameToLocalEncoding($small_image);
                  $oInformationsystem_Item->createDir();
$result = Core_File::adminUpload($param);

Array (

[large_image_name] => information_items_5068.jpg
[small_image_name] => small_information_items_5068.jpg

[create_small_image_from_large] => 1
[watermark_file_path] =>
[watermark_position_x] => 50%
[watermark_position_y] => 100%
[large_image_preserve_aspect_ratio] => 1
[small_image_max_width] => 70
[small_image_max_height] => 70
[small_image_watermark] => 0
[small_image_preserve_aspect_ratio] => 1
[large_image_max_width] => 300
[large_image_max_height] => 300
[large_image_watermark] => 0 )

$param['large_image_target'] = $oInformationsystem_Item->getItemPath() . $large_image;
$param['small_image_target'] = $oInformationsystem_Item->getItemPath() . $small_image;