Error with Rg.Plugins.Popup 1.2.0.223

[kwabenaowusujnr]

Im getting this error with FreshMvvm, Rg.Plugins.Popup 1.2.0.223 , Xamarin Forms 4.2.0.848062
System.InvalidOperationException
Message=The page has not been pushed yet or has been removed already on await CoreMethods.PushPopupPageModel();