Question: Do you have licensing terms for this toolset? If I were to use pieces of it at work, how could my company buy a license? Or is it for personal projects only?
If you want to include license terms in the distribution, GitHub has this helpful site: https://choosealicense.com/
I dunno if you still look into this but maybe someone had the same issue and knows a fix.
It seems the AnimSpline asset is corrupt. I get an error when unzipping:
And when I try to open the BP_AnimSpline I get:
I tried with several 4.27 projects, even a fresh new one and downloaded the files twice just in case, but it always had this result