I have this demo code created. I am trying to use
{{ '2017-09' | date: 'MMMM yyyy':"UTC":"de-AT" }}
but I am getting
The entrypoint for '@angular/common' could not successfully be resolved. The file '/turbo_modules/@angular/common@12.1.0/locales/de-at' does not exist. Please log an issue with the package author or check for an updated version of the package.
i looked over internet and I did not find a solution. Can someone please help