Some SwissSalary partner from Germany informed us, that they missing some Pages or Codeunits in the license. It's important that you always select YES in the field on the Request License Keys page in Voice:
You will find more information here:

https://mbs.microsoft.com/partnersource/global/deployment/documentation/how-to-articles/navdevlicense

The 'Country Code' must also always be 'Switzerland'.