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 ('cdd896deea77715020f72e24393c9b51', -1, 1409616564, 1409616564, '36c5bd6c', 5, 0, 0)

Line : 187
File : sessions.php