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 ('4959a4e64669a26d75c1b26914b87a9e', -1, 1558450016, 1558450016, '23aff819', 259, 0, 0)

Line : 187
File : sessions.php