As title, I follow guide in https://docs.microsoft.com/en-us/azure/bot-service/bot-builder-authentication?view=azure-bot-service-4.0&tabs=userassigned%2Caadv2%2Ccsharp . I am finished all steps and verified /w succussed until to step "Test the bot using the Emulator". I try both sample code in https://github.com/Microsoft/BotBuilder-Samples/tree/main/samples/csharp_dotnetcore/18.bot-authentication https://github.com/Microsoft/BotBuilder-Samples/tree/main/samples/csharp_dotnetcore/24.bot-authentication-msgraph then hit same error as below http 500 directline/coversations//activities

Test bot with Emulator in Authentication scenarios hit POST500directline/conversations/<conversationId>/activities /w sample code

As title, I follow guide in https://docs.microsoft.com/en-us/azure/bot-service/bot-builder-authentication?view=azure-bot-service-4.0&tabs=userassigned%2Caadv2%2Ccsharp. I am finished all steps and verified /w succussed until to step "Test the bot using the Emulator". I try both sample code in