Sign Up/In not working in ASP. NET Core application: Azure B2C

We configured user flow with Google as identity provider. Followed the Azure-Sample repository on GitHub in building an ASP.NET Core web app with .NET 6.

appsettings.json:

"AzureAdB2C": {
    "Instance": "https://b2ctenant.b2clogin.com",
    "ClientId": "3ae27e38-90a3-43c7-9bac-8d3bf33227f9",
    "Domain": "b2ctenant.b2clogin.com",
    "SignedOutCallbackPath": "/signout/B2C_1_susi",
    "SignUpSignInPolicyId": "b2c_1_susi",
    "ResetPasswordPolicyId": "b2c_1_reset",
    "EditProfilePolicyId": "b2c_1_edit_profile" // Optional profile editing policy
    //"CallbackPath": "/signin/B2C_1_sign_up_in"  // defaults to /signin-oidc

https://localhost:44316

Getting exception when users select Sign Up/In option

IOException: IDX20807: Unable to retrieve document from: '[PII of type 'System.String' is hidden. For more details, see https://aka.ms/IdentityModel/PII.]'. HttpResponseMessage: '[PII of type 'System.Net.Http.HttpResponseMessage' is hidden. For more details, see https://aka.ms/IdentityModel/PII.]', HttpResponseMessage.Content: '[PII of type 'System.String' is hidden. For more details, see https://aka.ms/IdentityModel/PII.]'.
Microsoft.IdentityModel.Protocols.HttpDocumentRetriever.GetDocumentAsync(string address, CancellationToken cancel)
Microsoft.IdentityModel.Protocols.OpenIdConnect.OpenIdConnectConfigurationRetriever.GetAsync(string address, IDocumentRetriever retriever, CancellationToken cancel)

Microsoft.IdentityModel.Protocols.ConfigurationManager.GetConfigurationAsync(CancellationToken cancel) nvalidOperationException: IDX20803: Unable to obtain configuration from: '[PII of type 'System.String' is hidden. For more details, see https://aka.ms/IdentityModel/PII.]'. Microsoft.IdentityModel.Protocols.ConfigurationManager.GetConfigurationAsync(CancellationToken cancel) Microsoft.AspNetCore.Authentication.OpenIdConnect.OpenIdConnectHandler.HandleChallengeAsyncInternal(AuthenticationProperties properties) Microsoft.AspNetCore.Authentication.OpenIdConnect.OpenIdConnectHandler.HandleChallengeAsync(AuthenticationProperties properties) Microsoft.AspNetCore.Authentication.AuthenticationHandler.ChallengeAsync(AuthenticationProperties properties) Microsoft.AspNetCore.Authentication.AuthenticationService.ChallengeAsync(HttpContext context, string scheme, AuthenticationProperties properties) Microsoft.AspNetCore.Mvc.ChallengeResult.ExecuteResultAsync(ActionContext context) Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|30_0<TFilter, TFilterAsync>(ResourceInvoker invoker, Task lastTask, State next, Scope scope, object state, bool isCompleted) Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Rethrow(ResultExecutedContextSealed context) Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.ResultNext<TFilter, TFilterAsync>(ref State next, ref Scope scope, ref object state, ref bool isCompleted) Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|28_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, object state, bool isCompleted) Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|25_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, object state, bool isCompleted) Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Rethrow(ResourceExecutedContextSealed context) Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Next(ref State next, ref Scope scope, ref object state, ref bool isCompleted) Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|20_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, object state, bool isCompleted) Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Logged|17_1(ResourceInvoker invoker) Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Logged|17_1(ResourceInvoker invoker) Microsoft.AspNetCore.Routing.EndpointMiddleware.g__AwaitRequestTask|6_0(Endpoint endpoint, Task requestTask, ILogger logger) Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context) Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context) Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddlewareImpl.Invoke(HttpContext context)

I tried to reproduce the same in my environment and got below results:

I registered one application and granted API permissions like below:

I cloned the same GitHub sample and updated appsettings.json file same as you like below:

I ran the above sample and got below screen:

When I clicked on Sign Up/In button, I got same error as you like below:

Note that, you are giving wrong value to your Domain parameter in your appsettings.json file. You need to change value of Domain parameter that can be found here:

To resolve the error, I changed value of Domain parameter in my
appsettings.json file like below:

When I clicked on Sign Up/In button now by running the sample, I got the login screen with Google successfully like below:

Reference: Configure authentication using Azure Active Directory B2C | Microsoft