Update README.md

Author: SenuraMalaka

README.md

@@ -35,3 +35,7 @@ If there is a packages.config file under projectpath\\module\\_protected\\ then
 #### Database
 
 If you have used ASPNET Identity and after migration you are not able to login or get exception like "SqlException: Invalid column name 'NormalizedUserName'.", 'ConcurrencyStamp', 'LockoutEnd', 'NormalizedEmail' or missing 'AspNetRoleClaims' table, the reason is the schema between ASPNET Identity versions has been changed and the resource doesn't exist in the db. Please run the migrate MigrateAspnetIdentity.sql script file under database folder. (OBS: we recommend to take a backup of database before perform the script).
+
+#### Not yet supported in the latest .NET Upgrade Assistant 
+The extensions are not yet supported in the latest .NET Upgrade Assistant (≥0.5.2). For more info: See this [issue](https://github.com/dotnet/upgrade-assistant/issues/1522). 
+Workaround: Use the [Legacy .NET Upgrade Assistant](https://learn.microsoft.com/en-us/dotnet/core/porting/upgrade-assistant-install-legacy).