Xenko error since 2020.2.0

vvvv gamma question
2

This sounds like related to the breaking changed mentioned in the vvvv gamma 2020.2 release blogpost.

Since VL.Visca seems to have dependencies on VL.Elementa and VL.OpenCV, you need to make sure to use latest versions of those, which are compatible with 2020.2.

Let us know if you need further help sorting this out.