phpBB : Критическая ошибка

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('7d49c65b2e53be35036572204fdf925b', -1, 1544396345, 1544396345, '12ea42d9', 0, 0)

Line : 158
File : sessions.php