You can make a support ticket by clicking on this link https://www.mineverse.com/support-tickets/ and click the blue box that says "Submit new ticket"
Seeing as you've already created a support ticket (https://www.mineverse.com/support-tickets/mvp-rank.1235/) I will just go ahead and close this thread. Janice / Quert will be able to assist you with the rank, just be patient with them to respond.