Custom Title Mod i problem

[glizda]

Witam,
po zainstalowaniu modyfikacji Custom Title Mod pojawił mi się błąd po wejściu w ACP->Ustawienia forum :

Kod: Zaznacz cały

[phpBB Debug] PHP Notice: in file /adm/index.php on line 351: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'acp_board::board_disable' was given
[phpBB Debug] PHP Notice: in file /adm/index.php on line 351: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'acp_board::dateformat_select' was given
[phpBB Debug] PHP Notice: in file /adm/index.php on line 351: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'acp_board::dateformat_select' was given
[phpBB Debug] PHP Notice: in file /adm/index.php on line 150: Cannot modify header information - headers already sent by (output started at /includes/functions.php:3542)
[phpBB Debug] PHP Notice: in file /adm/index.php on line 152: Cannot modify header information - headers already sent by (output started at /includes/functions.php:3542)
[phpBB Debug] PHP Notice: in file /adm/index.php on line 153: Cannot modify header information - headers already sent by (output started at /includes/functions.php:3542)
[phpBB Debug] PHP Notice: in file /adm/index.php on line 154: Cannot modify header information - headers already sent by (output started at /includes/functions.php:3542)

Co może być przyczyną i jak to zlikwidować?
Proszę o pomoc, za którą z góry dziękuję.
Pozdrawiam!