Le incollo il messaggio di errore di wordpress:
Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, ‘AC_OnPublishPost’ was given in /wp/wp-includes/plugin.php on line 505
Warning: Cannot modify header information – headers already sent by (output started at /wp/wp-includes/plugin.php:505) in /wp/wp-admin/post.php on line 233
Warning: Cannot modify header information – headers already sent by (output started at /wp/wp-includes/plugin.php:505) in /wp/wp-includes/pluggable.php on line 1173
