I was banned on op pvp for awhile but I finally got unbanned, but when I was unbanned I didn't get my premium rank that I bought on it. I have it on every gamemode accept OP PVP.
Make a support ticket here: https://www.mineverse.com/support-tickets/ Might take them a bit to respond, but be patient
As Cotner said, please creatw a support ticket, the help section is not rhe correct section to be posting this. Closing.