A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate in the Unity community.
Separate names with a comma.
for anyone that is still going through this the only thing you have to do is update Visual Studio Editor Package on Package Manager to the 2.0.15...
all the LTS Versions are broken, this is a big disappointment im just wasting my time day by day this issue still happening in 2020.3.16f1 LTS today