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 ('5dc32d293381e5547fc15b88ab5c9348', -1, 1713977350, 1713977350, '0aa8c802', -4, 0, 0)

Line : 200
File : sessions.php