Im getting this error when i change between tabs in android
[MonoDroid] UNHANDLED EXCEPTION: System.NullReferenceException: Object reference not set to an instance of an object
[MonoDroid] at Xamarin.Forms.Platform.Android.Platform.CurrentTabbedPageOnPropertyChanged (object,System.ComponentModel.PropertyChangedEventArgs) <IL 0x0001f, 0x000e8>
[MonoDroid] at (wrapper delegate-invoke) <Module>.invoke_void_object_PropertyChangedEventArgs (object,System.ComponentModel.PropertyChangedEventArgs) <IL 0x00044, 0x0009f>
[MonoDroid] at Xamarin.Forms.BindableObject.OnPropertyChanged (string) <IL 0x00012, 0x000c7>
[MonoDroid] at Xamarin.Forms.MultiPage`1<Xamarin.Forms.Page>.OnPropertyChanged (string) <0x003cf>
[MonoDroid] at Xamarin.Forms.MultiPage`1<Xamarin.Forms.Page>.set_CurrentPage (Xamarin.Forms.Page) <0x000f7>
[MonoDroid] at Xamarin.Forms.Platform.Android.Platform/<>c__DisplayClassc.<AddTab>b__a (object,Android.App.ActionBar/TabEventArgs) <IL 0x00019, 0x00083>
[MonoDroid] at Android.App.TabEventDispatcher.OnTabSelected (Android.App.ActionBar/Tab,Android.App.FragmentTransaction) <IL 0x00015, 0x000cb>
[MonoDroid] at Android.App.ActionBar/ITabListenerInvoker.n_OnTabSelected_Landroid_app_ActionBar_Tab_Landroid_app_FragmentTransaction_ (intptr,intptr,intptr,intptr) <IL 0x0001c, 0x0014b>
[MonoDroid] at (wrapper dynamic-method) object.cf6819b4-0728-432f-8ca1-370300508f07 (intptr,intptr,intptr,intptr) <IL 0x0001d, 0x0004b>
[mono]
[mono] Unhandled Exception:
[mono] System.NullReferenceException: Object reference not set to an instance of an object
[mono] at Xamarin.Forms.Platform.Android.Platform.CurrentTabbedPageOnPropertyChanged (System.Object sender, System.ComponentModel.PropertyChangedEventArgs e) [0x00000] in <filename unknown>:0
[mono] at (wrapper delegate-invoke) <Module>:invoke_void_object_PropertyChangedEventArgs (object,System.ComponentModel.PropertyChangedEventArgs)
[mono] at Xamarin.Forms.BindableObject.OnPropertyChanged (System.String propertyName) [0x00000] in <filename unknown>:0
[mono] at Xamarin.Forms.MultiPage`1[Xamarin.Forms.Page].OnPropertyChanged (System.String propertyName) [0x00000] in <filename unknown>:0
[mono] at Xamarin.Forms.MultiPage`1[Xamarin.Forms.Page].set_CurrentPage (Xamarin.Forms.Page value) [0x00000] in <filename unknown>:0
[mono] at Xamarin.Forms.Platform.Android.Platform+<>c__DisplayClassc.<AddTab>b__a (System.Object sender, Android.App.TabEventArgs e) [0x00000] in <filename unknown>:0
[mono] at Android.App.TabEventDispatcher.OnTabSelecte
[mono-rt] [ERROR] FATAL UNHANDLED EXCEPTION: System.NullReferenceException: Object reference not set to an instance of an object
[mono-rt] at Xamarin.Forms.Platform.Android.Platform.CurrentTabbedPageOnPropertyChanged (System.Object sender, System.ComponentModel.PropertyChangedEventArgs e) [0x00000] in <filename unknown>:0
[mono-rt] at (wrapper delegate-invoke) <Module>:invoke_void_object_PropertyChangedEventArgs (object,System.ComponentModel.PropertyChangedEventArgs)
[mono-rt] at Xamarin.Forms.BindableObject.OnPropertyChanged (System.String propertyName) [0x00000] in <filename unknown>:0
[mono-rt] at Xamarin.Forms.MultiPage`1[Xamarin.Forms.Page].OnPropertyChanged (System.String propertyName) [0x00000] in <filename unknown>:0
[mono-rt] at Xamarin.Forms.MultiPage`1[Xamarin.Forms.Page].set_CurrentPage (Xamarin.Forms.Page value) [0x00000] in <filename unknown>:0
[mono-rt] at Xamarin.Forms.Platform.Android.Platform+<>c__DisplayClassc.<AddTab>b__a (System.Object sender, Android.App.TabEventArgs e) [0x00000] in <filename unknown>:0
[mono-rt] at Android.App.TabEventDispatcher