phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './mopo_phpbb1/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('afbe095984ec0de9608cfcc5bdc66832', -1, 1413874941, 1413874941, '36516d25', 16, 0, 0)

Line : 191
File : sessions.php