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 ('12834e08839726e6dd0906b7df36dc78', -1, 1653229119, 1653229119, 'ac120003', -11, 0, 0)

Line : 187
File : sessions.php