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 ('e921bd6b9dac15c1e0daf98ec8e78a02', -1, 1409666162, 1409666162, '36ed200a', 6, 0, 0)

Line : 191
File : sessions.php