"This localhost page can’t be found" when add scaffolding identity in my project using asp.net core 7.0

Question

When I add scaffolding identity into my project, the page return "This localhost page can’t be found". This is my dbContext class and my program.cs The error page DbContext Class Program.cs

I try to find issue on google but all of them does not work. If I delete Identity folder, the page work again