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This bug is also reported but as a comment. As we really need it resolved in your next release, I am posting it in a separate new thread as it is a different crash location.
 https://www.syncfusion.com/feedback/7093/crash-specially-after-repetitive-loads


In Xamarin.Form UWP apps, SfPdfViewer crashesFollowing is the error information and Stack Trace.


Object reference not set to an instance of an object.

   at System.StubHelpers.HStringMarshaler.ConvertToNativeReference(String managed, HSTRING_HEADER* hstringHeader)

   at Windows.UI.Xaml.Automation.AutomationProperties.SetName(DependencyObject element, String value)

   at Syncfusion.SfPdfViewer.XForms.UWP.PdfDocumentView.IncludeCanvas(Int32 pageIndex, Int32 width, Int32 height)

   at Syncfusion.SfPdfViewer.XForms.UWP.PdfDocumentView.LoadPages()

   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<>c.<ThrowAsync>b__7_0(Object state)

   at System.Threading.WinRTSynchronizationContextBase.Invoker.InvokeCore()