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 ('fb7f31e629548758fc8a857ee666f5fb', -1, 1556015791, 1556015791, '0358a16c', 0, 0, 0)

Line : 187
File : sessions.php