I have made the bank transfer but the payment confirmation contains a fee with the status "partially paid". What does this mean?

This means that the amount received at the EPO bank account is less than the amount indicated on your order. The fee marked "partially paid" is not fully covered by your bank transfer.

To pay the outstanding amount, submit a new order, but only for this fee code and the missing amount. Then make a new bank transfer quoting this new order's payment reference.