Article 3.6.1L : How to solve "Value cannot be null. Parameter name: viewinfo" when expanding database.

Article 3.6.1L : How to solve "Value cannot be null. Parameter name: viewinfo" when expanding database.

When expanding database its showing error of " Value cannot be null Parameter name: viewinfo (Microsoft.SqlServer.Management.SqlStudio.Explorer)

Kindly follow the below steps:
  1. Open Run file using windows key + R
  2. Type %Temp% then Hit Enter Key.
  3. So here "C:\Users\<username>\AppData\Local\Temp\2\6vvdaozf.tmp " directory "2" is missing here.
  4. Your have to create a empty folder/directory here with name = 2.
  5.  %TEMP%\2
Now restart the SQL Server Management Studio it will work fine. Your all database name will appear.