phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './kidnem998/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 ('b14e64ff3732208307b81adb5ca6ece4', -1, 1469722965, 1469722965, '36a69b5b', -1, 0, 0)

Line : 187
File : sessions.php