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 ('b02ea0905152eaf0fb50a754b50f2d66', -1, 1713985300, 1713985300, '0aa8c802', 17, 0, 0)

Line : 200
File : sessions.php