Navigation error in Blazor when submit a form

This error occurs when I submit a form and execute the method:

I used dependency injection at the top:

@inject NavigationManager NavigationManager

By the way, if I prefixed the method name with async, the error would not occur.

This is a Blazor web app running on .NET 8.0.

I checked this github issue#233, but I don't think it's the same as my problem.