Nik aaps "Activation process failed because of unknown server error"?

I had to uninstall NIK 7 (computer issue) and then reinstalled NIK 7. Now when I open any NIK application, I get the topic message noted above. Any ideas? thanks in advance. Zoltan

Contact DxO via:
https://support.dxo.com/hc/en-us/requests/new

OK< thanks, will do.