phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('16e67699b03a7eaa975ee1d46ec1ed9b', -1, 1653231552, 1653231552, 'ac120003', -8, 0, 0)

Line : 187
File : sessions.php