After Solution Exception (Rhino 8)

[p-e-t-e-r (Petr Klimenko)]

It seems we are writing about the same problem.

Error in Component for custom type preview after moving to Rhino 8

The component was written for a plugin in Rhino 7 (.NET Framework 4.8) and worked correctly. After the plugin with this component moved to Rhino 8 (.NET 7), the component started throwing an error. The error that the component displays sounds like “After Solution exception: Object reference not set to an instance of an object.” It is important that the component still produces the correct result, but at the same time shows an error regardless of whether the wires are connected to it or the input…