i don't know what i do wrong.
FYI: In front of this installation, i installed already the further version and deinstallaing all.
The Problem is, that i even get the failure
An error has occurred
Sorry an unexpected error occurred and we could not complete your last operation, but you can keep using Data Preparation.
If i delete a a row or coloumn or swapping columns ... The point is, after the error all changes be done,.
That happens on new excel files and the sample dataset.
What can i do, that it works?
Attached the overview of the dataset. Why there all grey and not green, withe or orange?
The second file are the errors after one change