‘An item with the same key has already been added ‘when Generate Database from Model …’ (VS C# MVC)
An ASP.NET Web Application MVC in C# with Individual Accounts authentication has been created using a local file database. All account tables were automatically created, and user accounts were tested successfully. The website is running fine at this stage.
How to “Check the failed request tracing logs for additional information about this error” in Visual Studio?
I am encountering this page in my application: