phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './kondis_forum/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 ('a557a183dd6dabde9d9c802b4b037e9f', -1, 1406864523, 1406864523, 'c0a87a01', 10, 0, 0)

Line : 189
File : sessions.php