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 ('131a4387ebc701309961526ad5ed8d60', -1, 1524819088, 1524819088, '1714a5b6', 0, 0)

Line : 158
File : sessions.php