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 ('5e5bfe974f467508cbd8438b87d2b456', -1, 1409660520, 1409660520, '36a694bd', -4, 0, 0)

Line : 187
File : sessions.php