phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './owzzone_1/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 ('8081b7bf07bfd41bb9c4b66f1f942ce8', -1, 1406303839, 1406303839, '36e338ae', 0, 0, 0)

Line : 187
File : sessions.php