Error rebuilding MIMWAL – File MicrosoftServices.IdentityManagement.WorkflowActivityLibrary.dll not found

First published on Nivlesh’s blog at https://nivleshc.wordpress.com
A few days ago, I was going through the steps for compiling MIMWAL, as listed at http://ithinkthereforeidam.com/installing-the-mimwal/ and came across an interesting problem.
After I had rebuilt my Visual Studio package, I went to run Sign.cmd and kept getting the following error message
Signcmd_Error
Error: File “MicrosoftServices.IdentityManagement.WorkflowActivityLibrary.dll” Not Found. You need to compile WAL solution first! Make sure you use REBUILD Solution menu. Aborting script execution…
This was quite bizarre as I had not deviated from the steps listed in the above mentioned article.… [Keep reading] “Error rebuilding MIMWAL – File MicrosoftServices.IdentityManagement.WorkflowActivityLibrary.dll not found”