Solution exception:'NoneType' object has no attribute 'split'

Hi everyone,
as I see most of yu are new to this forum, so first of all welcome!
Some general advices for the preparation of questions:

And in general for debugging, I would start going from the end to the start of the defintion, disabling components until the error dissapears.
First when I open the file some components are orange, this is where I firstly would suspect something going wrong:

Getting closer I can see there is a null in the list:

After disabling this components it works.
The error message you are gettting proably is the pythonic way to say you it can’t spllit the null.
So probably cleaning the list(clean tree) should get you rid of this problem.
Hope this helps :sweat_smile: