It was not possible to find any compatible framework version, The specified framework 'Microsoft.NETCore.App', version '1.0.5' was not found.

[Chan-Zhang]

When start LUT , the following error shows, what does this error mean? The output shows as below:

_[23:03:49.062 Error] [TestRunner 1] Testhost process exited with error: It was not possible to find any compatible framework version The specified framework 'Microsoft.NETCore.App', version '1.0.5' was not found.

• Check application dependencies and target a framework version installed at: C:\Program Files\dotnet\
• Installing .NET Core prerequisites might help resolve this problem: https://go.microsoft.com/fwlink/?LinkID=798306&clcid=0x409
• The .NET Core framework and SDK can be installed from: https://aka.ms/dotnet-download
• The following versions are installed: 2.1.7 at [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]_