Hi @Linsemon Jose ,
Welcome to Microsoft Q&A!
What is your project type? I created a ASP.NET Core Web API project and it works fine.
Please check the Project
element in the project file:
<Project Sdk="Microsoft.NET.Sdk.Web">
Then, reload your project and debug it again.
You can create a new project to check it again.
Sincerely,
Anna
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