Visual Studio - Attempted to access an unloaded AppDomain

Attempted to access an unloaded AppDomain

Solution

If this error comes with VS follow these steps

Just restart your VS.

1. Start VS again
2. Clean the solution (Build> Clean Solution)
3. Rebuild your project again
4. If this error comes with IIS

Restart (recycle) the IIS Application Pools in IIS Manager, After restarting check run the solution again!