@Gumersinda the handling of paths and column names is a mess to be honest. You will have to check the column names and encodings of the file and see that the columns iterate in a correct way.
I started fixing it but got stuck at some point where there is a reference to a jpg on some folder. My recommendation would be to start fixing this and make the path dynamic or configurable:
Survival Analysis.knwf (3.0 MB)