Dimension ByReferences from Genius Loci add-on returning null values

I followed the video Automated Revit dimensioning using Dynamo! from Aussie BIM Guru, on youtube and from that I will adapt the script to what I need, but now I’m facing a problem that I saw other people in the comments faced as well that the last node, Dimension ByReferences returns null values and doesn’t apply the dimensions on the view.

Does anyone know what can possibly be the problem and have a suggestion to solve it?
I’m using a family I created for the dimensioning instead of a column, but the references are the same.

All props to Aussie BIM Guru for the script.
The video: https://www.youtube.com/watch?v=Ip8Icu2Hpso