I see that your having problems with buying a rank , and i want to say that this is not the right place to do that. if you have problems you can email the sales team of cubecraft : sales@cubecraft.net i hope you know enough now because staff member don't help with buying thing in the webshop etc.
Apply here for helper http://cbecrft.net/helper If you are a helper, you need to be promoted to moderator, Good Luck!
You're banned for "Payment error". If you contact sales@cubecraft.net you will be unbanned, don't worry ;)