users on my system

One Sonos account but you can have multiple streaming service accounts under that.

https://support.sonos.com/en-us/article/use-multiple-accounts-for-the-same-content-service

help

prøver nu at slette en tidligere bruger og jeg prøver at logge ind i mit eget system igen

lige nu prøver den måske at “rense” og jeg skal til at komme tilbage til mit system

Translation:

Help

I am now trying to delete a previous user and I am trying to log into my own system again

Read more about the mask at "clean" and see if you can come back with the system
 

Response:

I’m not sure I understand the issue properly, but this is a FAQ that may help? The manage your account FAQ. Otherwise, I would suggest you contact Sonos Support in your region to discuss it.

When you speak directly to the Support staff, they have tools at their disposal that will allow them to give you advice specific to your network and Sonos system.

Translation to Danish:

Jeg er ikke sikker på, at jeg forstår problemet ordentligt, men dette er et ofte stillet spørgsmål, der måske kan hjælpe? Ofte stillede spørgsmål om administration af din konto. Ellers vil jeg foreslå, at du kontakter Sonos Support i din region for at diskutere det.

Når du taler direkte med supportpersonalet, har de værktøjer til rådighed, der giver dig mulighed for at give dig rådgivning specifikt til dit netværk og Sonos-system.