symfony - An error in submit form registration FOSUserBundle -

when have submit form in registration fosuserbundle have error :

any apreciated.

far vague determine answer you. if inspect normalizerformatter.php file @ lines 77 , 82 can see it's doing , problems occuring.

normalizerformatter.php:

76            $count = 1; 77        foreach ($data $key => $value) { 78            if ($count++ >= 1000) { 79                $normalized['...'] = 'over 1000 items, aborting normalization'; 80                break; 81            } 82            $normalized[$key] = $this->normalize($value); 83        }