Could not load file or assembly 'System.ValueTuple'

Question

I\'ve got a VS2017 project that compiles to a DLL which is then called by an EXE written by someone else. Both projects target .Net Framework 4.6.2. I rewrote one of my DLL

Answer 1

In my case I think something delete this dll from project and framework folders, maybe during installing something it flied; so my project during debugging couldn't find that dll and throw that error. I installed

Install-Package System.ValueTuple -Version 4.5.0

Package and than everything worked again. Before doing further complicated solutions as described above answers may installing ValueTuple package works for you.