.net core - Error after modifying launchSettings: The launch profile "(Default)" could not be applied

Question

I'm setting up my project to use dotnet watch run in my launchSettings.json under Visual Studio 2019 Preview 16.9.0

Below is my launchSettings.json

{
  "profiles": {
    "MyWebsite": {
      "commandName": "Executable",
      "executablePath": "dotnet",
      "commandLineArgs": "watch run",
      "workingDirectory": "$(ProjectDir)",
      "launchBrowser": true,
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      },
      "dotnetRunMessages": "true",
      "applicationUrl": "https://localhost:5001;http://localhost:5000"
    }
  }
}

Here is the ouput when I hit CTRL+F5

watch : Started
The launch profile "(Default)" could not be applied.
A usable launch profile could not be located.
[17:38:49 INF] Starting up
[17:38:49 INF] User profile is available. Using 'C:UsersMyUserAppDataLocalASP.NETDataProtection-Keys' as key repository and Windows DPAPI to encrypt keys at rest.
[17:38:50 INF] Now listening on: http://localhost:5000
[17:38:50 INF] Now listening on: https://localhost:5001
[17:38:50 INF] Application started. Press Ctrl+C to shut down.
[17:38:50 INF] Hosting environment: Development
[17:38:50 INF] Content root path: C:devMyWebsitesrcMyWebsite

I don't understand why I have this message :

The launch profile "(Default)" could not be applied.
A usable launch profile could not be located.

According to this solution https://stackoverflow.com/a/65666418/1026105 this is not supposed to happen.

How can I troubleshoot this messages ?

Answer 1

等待大神答复