for someone who already got user, on the way of rooting, box got reset so have to do user again, keep getting “The change you wanted was rejected. Maybe you tried to change something you didn’t have access to.” :
recall that you’ve done something with time, not necessarily in a clean way, depend on your time zone, your gnome version and the way your browser decide what time you’re in e.g. ip, time zone reading, clock reading etc, now your browser could have a “just got a session cookie that had been expired for x hours yikes not gonna save it not to mention send it in the future” altitude, while the htb server being “no session cookie? no session access”