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 ('a631a45a8913bc1661196c836b7b63fb', -1, 1409313666, 1409313666, '36a7eed1', 16, 0, 0)

Line : 191
File : sessions.php