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 ('39a7e7ac371f7d0e595e6c1ac443abf9', -1, 1412223714, 1412223714, '17143f1b', 16, 0, 0)

Line : 191
File : sessions.php