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 ('2601b5444c7c17059e9b5a9c7bbbbc08', -1, 1713988723, 1713988723, '0aa8c802', 12, 0, 0)

Line : 200
File : sessions.php