phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO blitz_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('dcf4632606344f8616b1784e49d83f46', -1, 1713990664, 1713990664, '0aa8c802', -2, 0, 0)

Line : 200
File : sessions.php