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 ('b5795d0e679d39b9c234e9ec0c7f58df', -1, 1713987670, 1713987670, '0aa8c802', -4, 0, 0)

Line : 200
File : sessions.php