resource identifier xxxxxxxx has already been used in this assembly

Question

Compiling a Workflow with Visual Studio 2010 and .Net Framework 3.0 results in this CSC error:

"resource identifier xxxxxxxx has already been used in this assembly"

where xxxxxxxx is a Workflow Type in my Project.

I'm using Workflow Foundation 3. Thanks for your help, Tom

Batruk

I have this problem with Xamarin.iOs, I deleted the duplicated resource and still getting this exception. – Solve

Well I never actually solved the problem.. the day after everything was working fine again. Maybe could be a sort of hiccup with Visual Studio 2010. – Batruk

Answer 1

There is likely a folder in your project with some controls that should not be compiled again.

The simplest solution would be to Right-Click the folder with xxxxxxxx in it, and select "Exclude from Project"

DO NOT DELETE THE FOLDER!

Adhibit

We get this kind of problem quite rarely and only on several production machines, it's very hard to reproduce. I'll try your suggestion once it occurs again.. Thanks for your help! – Batruk

Answer 2

Was getting this same issue recently in VS IDE - traced this down to the CSPROJ having the same import twice for a nuget package. If you see this - comb through your CSPROJ looking for duplicate <Import/> elements for the same asset.

Aerophyte