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 ('0c9bee74af01a457f35830bf85e73451', -1, 1713978330, 1713978330, '0aa8c802', -4, 0, 0)

Line : 200
File : sessions.php