Library problem(edit and delete text) 6.1.2

I have problem with Library on 6.1.2 version, i can't edit or delete text, when I go to edit any text it only shows me head.php and nothing else,not even error or something only head.php, anyone know why?

SpAgEtE, add to .htaccess
php_flag display_errors 1

Never mind i solved problem, fixed errors