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 ('f823405e0d082fb9c37d3f252bc42cd6', -1, 1713985138, 1713985138, '0aa8c802', 1, 0, 0)

Line : 200
File : sessions.php