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 ('34c87d923458ebb63853917bd3aab4c3', -1, 1411021363, 1411021363, '36a1afe7', -1280, 0, 0)

Line : 187
File : sessions.php