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 ('0903e73d4b803bedc819042f3fce4b49', -1, 1556037692, 1556037692, '12d79f9c', 279, 0, 0)

Line : 187
File : sessions.php