phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './cpdb/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 ('4201b1556cbcfcfe72cfb0f29aab57f0', -1, 1512965249, 1512965249, '36a33d42', -4460, 0, 0)

Line : 189
File : sessions.php