Hello and welcome
I understand you are not fluent in english, but in order to help you must give more information. Read that please.
My guesses
No points provided because I put a Dam
Radius too little …
Zoom on the script to see on the error message, send your script to the community …
Dendro is very powerful but sizes are important, so it is necessary to take a setting that has a relation with the size of the object.