Exception issue

[SaeedP]

Hi,

I'm encountering this exception while running my code. Can someone help me understand what it means and what could be causing it?

 

[Skydiver]

It's pretty self explanatory. You have more than one route in your code that maps the route "/". Check your route settings for your controllers to make sure that they don't conflict with each other.

 

[cjard]

Did you make a razor/blazor project and copy/paste the index page, maybe even rename it, but forgot to change the `@page "/" ` directive at the top of the markup?

Newer Blazor is more helpful with its error messages: