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 ('f7cb1d0f71f59ca52de3c72907fd8e89', -1, 1713986529, 1713986529, '0aa8c802', 17, 0, 0)

Line : 200
File : sessions.php