Использование Config::get(PATH_WEB_ROOT) при создании варианта изображения в Upload.

Upload.class.php

@@ -56,7 +56,7 @@ abstract class Upload
     {
         $image_variant = new ImageVariant();
         if (is_null($greagwar_image)) {
-            $greagwar_image = self::getGreagwarImage($image->path . DIRECTORY_SEPARATOR . $image->filename);
+            $greagwar_image = self::getGreagwarImage(Config::get('PATH_WEB_ROOT') . DIRECTORY_SEPARATOR . $image->path . DIRECTORY_SEPARATOR . $image->filename);
         }
         $size_parts = explode('x', $size);
         self::saveImage($image_variant, $greagwar_image, $size_parts[0] ? : null, $size_parts[1] ? : null);