phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './mopo_phpbb1/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 ('7b83552d508b33d19320ec871fb9babd', -1, 1419024986, 1419024986, '3657485a', -212, 0, 0)

Line : 191
File : sessions.php