phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './ultimate/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 ('3d8c400bd46eccc499700a21c7e728e4', -1, 1558435850, 1558435850, '6b17814d', 0, 0, 0)

Line : 187
File : sessions.php