Activities of "maliming"

For example: https://www.nuget.org/packages/Microsoft.AspNetCore.Hosting/2.1.1

Try upgrading to the latest stable package? (ABP and Microsoft)

it can be everything

go to web.config change stdoutLogEnabled to true

and check the log file for the specific error

1. make sure the \logs\stdout exist, if not create it
2. make sure there are read and write permissions

I suggest you first look at the angular documentation. https://angular.io/tutorial

You can do special handling of admin (or other conditional users) in your code.

Please see: https://github.com/aspnet/EntityFrameworkCore/issues/4616#issuecomment-221331425

I think only one front end is better.

Please check the detailed message in the log, usually at \App_Data\Logs\

Application permissions are designed in the background, so there is no problem with a front end (Zero is currently designed this way). It will not cause confusion of permissions.

There is no problem with your steps. But currently there is a problem with the database connection. Is there any other exception message in the log? Or can you change another sqlserver database connection string and try again?