Having Trouble Installing My Own Activity

I created a new activity using the UIPath plugin for Visual Studio 2019. I then followed the instructions to upgrade it to .NET 6. I manage to resolve all the errors and get the project to compile and package to a Nuget. When I try to install the package in UIPath Studio I get the following ‘Cannot load assembly’ error:

Any help would be greatly appreciated.

I had UIPath.Workflow referenced via Nuget instead of pointing toward UIPath.Workflow.dll in my UIPath studio installation directory. This resolved the file mismatch which was causing the error.

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