Upload: split error message in user/support.

extension/qfq/qfq/helper/Support.php

@@ -1249,7 +1249,9 @@ class Support {
             if ($overwrite) {
                 HelperFile::unlink($pathFileName);
             } else {
-                throw new UserFormException('Copy upload failed - file already exist: ' . $pathFileName, ERROR_IO_FILE_EXIST);
+                throw new UserFormException(json_encode(
+                    [ERROR_MESSAGE_TO_USER => 'Copy upload failed - file already exist',
+                        ERROR_MESSAGE_SUPPORT => 'File: ' .$pathFileName]), ERROR_IO_FILE_EXIST);
             }
         }