phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './phpBB/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 ('baf26a8616444243c6c72fbfe7cb30ea', -1, 1409666235, 1409666235, '1716611a', 0, 0, 0)

Line : 172
File : sessions.php