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Hi
Kindly find screenshot share with solution.
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Hi,
Download and install addin to Visual Studio from below link.
visualstudiogallery.msdn.microsoft.com/0f9ab063-acec-4c55-bd6c-5eb7c6cffec4
It contains project templates related to CRM and we don't have to worry about missing assembly errors. It also populates the default code and helps developers get started quickly.
In your case, seems like System.Activities assembly is missing. You can follow below steps to fix this:
1. Open solution in visual studio.
2. From solution explorer, right click on References > Click on Add References
3. On left side, by default Assemblies >Framework must be selected. Search for System.Activities assembly and add the same to your solution.
This will fix your problem.
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