If no joy, the forums will be unable to help you with this. The forum staff does not have access to user account information, or the tools to assist. Instead, you will need to contact the Bossland GmbH 'front office' and explain the problem to them.
It sounds like you need to contact the front office then. We've already provided their email. They can take up to 72 hours to respond, and they don't work the weekends.