1. Open inlcudes/functions.php and replace
$src = (!file_exists($media_src) && file_exists(preg_replace("/\/{2,}/", "/", get_document_root()."/".$media_src))) ? preg_replace("/\/{2,}/", "/", get_document_root()."/".$media_src) : $media_src;
with
$src = (!@file_exists($media_src) && @file_exists(preg_replace("/\/{2,}/", "/", get_document_root()."/".$media_src))) ? preg_replace("/\/{2,}/", "/", get_document_root()."/".$media_src) : $media_src;
2. Check if the folder "1" exists in the data dir. If no, create the fodler and chmod with 777.
Jan