Changed my minecraft username, server still has my previous user and neither usernames are accepted on the voting page. I changed my user sometime yesterday and checked earlier today and nothing has changed.
For my old account Unable to verify payment or authorization of payment(Im guessing that means for the minecraft game) It doesnt even recognice my new name so im guessing it just needs time before it fixes itself?? Or i dont know how the saving works on the server
I asked a Sr-Admin in game and he didn't go over the voting websites, so the best thing you could do if they don't reply on here is make a ticket in Discord. You can access discord from typing /discord on the server and going to the #Help-and-support channel where it will tell you how to make a ticket.