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 ('e8f2bf8f3ea5e66c79e8262558b00b67', -1, 1534450640, 1534450640, '36c42a08', -6, 0)

Line : 167
File : sessions.php