phpBB : Kritischer Fehler

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, session_admin) VALUES ('da7d205cfa859b62fb9c9c465e67f3c8', -1, 1623707818, 1623707818, '03d74f74', 14, 0, 0)

Line : 187
File : sessions.php