All project references have yellow triangles every time solution is loaded

Question

All my project (from the same solution) references are marked with a yellow triangle. The projects are all set to the same .NET version (4.5.1). The error log says:

Answer 1

Do the following:

In vs choose: tools->options->resharper->options-> general-> click the clear caches button.

then close all your opened tabs and shut down vs2013.

finally, start vs2013 again.

Let me know if that worked for you.