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 ('d90d1c4e839921bd3be88ec77fa5ddfa', -1, 1512965240, 1512965240, '36a33d42', -19, 0, 0)

Line : 189
File : sessions.php