phpBB : Критическая ошибка

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('5da427f06975b4b449bdeeb52c1f9bd1', -1, 1534450605, 1534450605, '36c42a08', -8, 0)

Line : 167
File : sessions.php