PushPageModel not working on simple button in Xamarin

Question

Using the function below does not move the page to the desired view. The function is called from a Button Command

WeeklyJourneysCommand = new AsyncCommand(WeeklyJourneysAsync);

Which calls

 async Task WeeklyJourneysAsync()
        {
           await base.CoreMethods.PushPageModel<EventListPageModel>(App.CurrentWeekNumber);
        }

Answer 1

Sorted - multiple master detail pages causing issues