Login page of Blazor 8 is refreshing in a loop [closed]

I'm developing a Blazor 8 server application. I adapted the nav menu to a SFmenu from Syncfusion.

In app.razor I'm using

<Routes @rendermode="InteractiveServer" /> 

and

<HeadOutlet @rendermode="InteractiveServer" />

But when I request the page login, login.razor has a constant refresh.

What could be the problem?

In app.razor I have