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 ('cf95237df4eb82f763a2f36ab7a33690', -1, 1487645592, 1487645592, '369e641a', -1, 0, 0)

Line : 187
File : sessions.php