phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './phpbb/phpbb_sessions' is marked as crashed and last (automatic?) repair failed

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('37187638bae6632898921c3fa4c1f52d', -1, 1563700806, 1563700806, '12d16807', 15, 0, 0)

Line : 189
File : sessions.php