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 ('8b540d2dfeecb18fc4764b6d0bff2ba3', -1, 1411091123, 1411091123, '36d35fc9', 16, 0, 0)

Line : 191
File : sessions.php