EX9.Texture problem

Hello,
I don’t know why but I’ve another strange problem with my v4 installation.
Often in my path the node Invert.EX9Effect , Blend.EX9Effect and SetAlpha.EX9Effect are in red.
Anything can help me?
thanks

Aelf

What does TTY Renderer say?

maybe https://discourse.vvvv.org/t/8013