After OS reset I can't use the license key for cubase elements

I had to reset my windows 10 laptop due to a virus and i’m now unable to use the license key because it tells me that the license key can be activated only once. What do I need to to to get this to work again?

try https://helpcenter.steinberg.de/hc/en-us/articles/207334490-Software-license-activation-reactivation