phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './forumradionet/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 ('b04343e9250bb2f78e941b48788bb66f', -1, 1411260179, 1411260179, '36d39d67', -1280, 0, 0)

Line : 187
File : sessions.php