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 ('18252bf48a055649500a3e77bac4e5f6', -1, 1715063121, 1715063121, '0390d491', 2, 0, 0)

Line : 189
File : sessions.php