Grasshopper Loading Errors In Rhino 8

[MSAwan (Muhammad Saqlain Awan)]

Hello Everyone,
I have upgraded my Rhino License from Rhino 7 to Rhino 8. When I launch the Grasshopper I receive the following error. Any idea how to resolve this error?

[wim (Wim Dekeyser)]

Hi Muhammad -

@MSAwan

When I launch the Grasshopper I receive the following error.

When you use the Rhino SetDotNetRuntime command to switch to NETFramework, and restart Rhino, does the error go away?
-wim

[MSAwan (Muhammad Saqlain Awan)]

Hello wim,

Can you please elaborate the steps?

[wim (Wim Dekeyser)]

Hi Muhammad -

@MSAwan

Can you please elaborate the steps?

Here are those steps:

• Close all but one instance of Rhino
• Run SetDotNetRuntime
• On the command line, click on the Runtime=NETCore option:
  
• Click on the NETFramework option:
  
• Click OK in the pop-up:
  
  
• Exit Rhino and launch Rhino
• Run Grasshopper

-wim

[MSAwan (Muhammad Saqlain Awan)]

@wim

SetDotNetRuntime

Thank you very much, Wim. It worked

[wim (Wim Dekeyser)]

Hi Muhammad -

@MSAwan

It worked

That’s good, of course, but it isn’t necessarily a solution. Especially not in the long run.

When new plug-ins - or new versions of existing plug-ins, are written to target new features in the .NET Core 7 runtimes, they will fail to run when you are running Rhino in the .NET Framework 4.8 runtime. If you have identified which plug-in failed to load in Core, you should contact the developer and request an update of the plug-in.
-wim