When debugging ASP.NET MVC app, breakpoints are not hit

Question

When trying to debug a ASP.NET MVC app, the breakpoints in my controllers arent getting hit. When entering debug mode they just show an empty red circle with a warning trian

Answer 1

I had Shelved my changes in TFS and had a breakpoint set on a shelved cs file that was not part of the solution anymore. Once I retrieved my Shelveset, everything worked.