Hub Reports translation issues

I want to use your Reports service, but I need it to be fully translated into German. I see that not all of the strings are translated, so wonder if you can complete the German translation?

Also, when I’m trying to change the date format in report settings, when I replace MMMM DD, YYYY [at] h:mma with MMMM DD, YYYY [um] h:mma, in the result I got the following:
https://take.ms/0gvTH