So I went in and added the DotNetUtilities.dll to the references and that solved my problem. Looking at the changes in my local copy it seems the reference to the DotNetUtilites was missing as it shows as being added to the csproj file.
So I went in and added the DotNetUtilities.dll to the references and that solved my problem. Looking at the changes in my local copy it seems the reference to the DotNetUtilites was missing as it shows as being added to the csproj file.