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 ('a812fb1deb1f45630a14bc58c597a26d', -1, 1715111806, 1715111806, '038cff96', 2, 0, 0)

Line : 189
File : sessions.php