Could not locate the .NET Framework SDK. The task is looking for the path to the .NET Framework SDK at the location specified ...

Could not locate the .NET Framework SDK.  The task is looking for the path to the .NET Framework SDK at the location specified in the {0} value of the registry key {1}.  You may be able to solve the problem by doing one of the following:  1.) Install the .NET Framework SDK.  2.) Manually set the above registry key to the correct location.