The ResourceFunction["Kurvendiskussion"] delivers no result. The only output provided is:
(I should add that other ResourceFunctions work correctly.)
I think you have auto translation on in your browser the function is called:
Thank you very much - indeed, CurveAnalysis works fine.
However, also to make the other aware: my Wolfram Documentation shows
and (I did not see this before your reply)
... and only the last works.
We'll look into this.
Sorry - I cannot see any link (?)