I am using SKUID version 9.3.1 and following this tutorial: https://docs.skuid.com/latest/en/data-source-types/salesforce/deploy/using-skuid-lightning.html
When I try to insert my SKUID page component (references a SKUID page using the Lightning Design theme) I get this error:

So I see the error has something to do with themeBuilder, maybe its a problem with the theme so I replace with the default theme and that error gets replaced with:

Any idea what I need to change about my approach to get the custom skuid component as detailed in the link above to work?
Or is this a broader problem?
