error CS0012: The type 'TaskAwaiter<>' is defined in an assembly that is not referenced

Question

When I try to debug my Windows Phone 8.1 project the Locals window is empty, and Watch shows an error for this:

this    error CS0012: The type \'Tas         


        

Answer 1

This is a known issue in Visual Studio 2015.

Workaround: enable the legacy C# and VB expression evaluators. (You got that right.)

Tools > Options > Debugging > General > Use the legacy C# and VB expression evaluators

Important: You cannot check the box during debugging!