When publishing (or other plug in actions) I get the error message:
System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information.
What is causing the error message?

 

This is caused by incompatible plug-ins. Plug-ins that are build against a previous version of Trisoft.InfoShare.Plugins.SDK.dll for example.

You can use a tool like ILSpy for example to check the plug-ins in the \InfoShare\App\Plugins folder to see against which assembly they are published.
https://ilspy.net/
https://github.com/icsharpcode/ILSpy/releases
If you drag and drop a plug-in dll into ILSpy you see the assemblies it references and their versions, for example: