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 ('ec4e2de4922d1282bcdc6e0fc0a19175', -1, 1623706581, 1623706581, '03d74f74', -4, 0, 0)

Line : 187
File : sessions.php