phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './compheaven/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 ('929910efba824888027ad8a7e0bfbf1e', -1, 1487727726, 1487727726, '36a79fb4', -4, 0, 0)

Line : 187
File : sessions.php