Fix

BudgetApp/Program.cs

@@ -62,7 +62,7 @@ if (!app.Environment.IsDevelopment())
     // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
     app.UseHsts();
 }
-app.UseStatusCodePagesWithReExecute("/not-found", createScopeForStatusCodePages: true);
+app.UseStatusCodePagesWithReExecute("/not-found");
 app.UseHttpsRedirection();
 
 app.UseAuthentication();