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 ('28c54d9043bf80a4fe7649a9f2b11e3c', -1, 1556295827, 1556295827, '035f1723', -1, 0, 0)

Line : 187
File : sessions.php