I'll be happy to help you. Please write me your customer number in a private message.
For data matching I also need your date of birth and the name of the bank we have on file.
If you've specified PayPal, your address.
If you pay by credit card, please enter the last four digits of your credit card number.
And this is how you write to me:
Click on my name to get to my profile and then go to "Nachricht".