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 ('3473c91ba9d5abce09b7032b324d45a6', -1, 1512965345, 1512965345, '36a33d42', -6048, 0, 0)

Line : 189
File : sessions.php