The current .NET SDK does not support targeting .NET Core 2.1. Either target .NET Core 2.0 or lower, or use a .NET SDK that supports .NET Core 2.1

Question

have tried upgrading to the professional version of visual studio 2017 v 15.6.0 (Preview 7.0)

and installed aspnetcore-runtime-2.1.0-preview1-final-win-x64 and .net

Answer 1

I started getting this error after I installed SDK 2.2.300. After reading this post and some other I downgrade it to SDK 2.2.1xx and the error went away. Note: I had to uninstall SDK 2.2.300 and restart after installing SDK 2.2.1xx.