I run C4D R20, Octane v3.08.4, GTX1080, nVidia driver v417.71. When I select VECTRON from the menu, Octane and C4D hang with the small blue windows "loading" icon spinning. Other parts of Octane act normally. Do I have some sort of incompatibility issue. If so, what versions of software will work?

I am trying to follow EyeDesign's "Create Digital Nature Renders using Octane (Part 1)" tutorial at https://www.youtube.com/watch?v=DLHFA-nFFm4. At about 16' 15" the tutorial talks about setting viewport level equal to the render level in the Forester Tree Parameter Window. After creating 6 unique ...