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 ('0cd5e0b5fb9142bb1b4aa82b8570175d', -1, 1713987192, 1713987192, '0aa8c802', 8, 0, 0)

Line : 200
File : sessions.php