Display of pdf documents no longer works

[Mondher]

Telerik.ui.for.Xamarin v 2021.1.224.1

System.MethodAccessException: Method `Telerik.Windows.Documents.Fixed.Utilities.Rendering.PageLayoutHelper.CalculatePageBoundingRectangle(Telerik.Windows.Documents.Fixed.Model.Common.IFixedPage)' is inaccessible from method `Telerik.XamarinForms.PdfViewer.PdfUtilities.GetPageSize(Telerik.Windows.Documents.Fixed.Model.RadFixedPage)'
  at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
  at Telerik.XamarinForms.PdfViewer.PdfUtilities.GetPageSize (Telerik.Windows.Documents.Fixed.Model.RadFixedPage page) [0x00000] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.PdfViewer.Presenters.VerticallyStackedPagesStrategy.TryGetSameHeight (Telerik.Windows.Documents.Fixed.Model.Collections.PageCollection pages) [0x0001b] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.PdfViewer.Presenters.VerticallyStackedPagesStrategy.TryCreatePageTuple (Telerik.XamarinForms.PdfViewer.DocumentInfo documentInfo) [0x0004d] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.PdfViewer.Presenters.VerticallyStackedPagesStrategy.UpdatePageInfos () [0x00024] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.PdfViewer.Presenters.VerticallyStackedPagesStrategy.OnDocumentChanged () [0x00000] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.PdfViewer.FixedDocumentContinuousPresenterV2.OnDocumentInfoChangedOverride () [0x00025] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.PdfViewer.FixedDocumentPresenterBase.set_DocumentInfo (Telerik.XamarinForms.PdfViewer.DocumentInfo value) [0x00010] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.PdfViewer.RadPdfViewer.OnDocumentInfoChanged (Telerik.XamarinForms.PdfViewer.DocumentInfo oldValue, Telerik.XamarinForms.PdfViewer.DocumentInfo newValue) [0x00009] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.PdfViewer.RadPdfViewer.set_DocumentInfo (Telerik.XamarinForms.PdfViewer.DocumentInfo value) [0x00017] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.PdfViewer.RadPdfViewer.OnDocumentChanged () [0x00015] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.PdfViewer.RadPdfViewer.OnPropertyChanged (System.String propertyName) [0x0000d] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Xamarin.Forms.BindableObject.SetValueActual (Xamarin.Forms.BindableProperty property, Xamarin.Forms.BindableObject+BindablePropertyContext context, System.Object value, System.Boolean currentlyApplying, Xamarin.Forms.Internals.SetValueFlags attributes, System.Boolean silent) [0x00114] in D:\a\1\s\Xamarin.Forms.Core\BindableObject.cs:510 
  at Xamarin.Forms.BindableObject.SetValueCore (Xamarin.Forms.BindableProperty property, System.Object value, Xamarin.Forms.Internals.SetValueFlags attributes, Xamarin.Forms.BindableObject+SetValuePrivateFlags privateAttributes) [0x00173] in D:\a\1\s\Xamarin.Forms.Core\BindableObject.cs:446 
  at Xamarin.Forms.BindableObject.SetValue (Xamarin.Forms.BindableProperty property, System.Object value, System.Boolean fromStyle, System.Boolean checkAccess) [0x0004d] in D:\a\1\s\Xamarin.Forms.Core\BindableObject.cs:374 
  at Xamarin.Forms.BindableObject.SetValue (Xamarin.Forms.BindablePropertyKey propertyKey, System.Object value) [0x0000e] in D:\a\1\s\Xamarin.Forms.Core\BindableObject.cs:356 
  at Telerik.XamarinForms.PdfViewer.RadPdfViewer.SetDocument (Telerik.Windows.Documents.Fixed.Model.RadFixedDocument value) [0x00000] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.PdfViewer.RadPdfViewer.UpdateDocumentFromSource () [0x0001a] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.PdfViewer.RadPdfViewer.Source_PropertyChanged (System.Object sender, System.ComponentModel.PropertyChangedEventArgs e) [0x00012] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.Common.NotifyPropertyChangedBase.OnPropertyChanged (System.String propertyName) [0x00015] in <1c319f0f665e4035ab8e82495214d254>:0 
  at Telerik.XamarinForms.PdfViewer.DocumentSource.set_Document (Telerik.Windows.Documents.Fixed.Model.RadFixedDocument value) [0x0002c] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.PdfViewer.DocumentSource.SetDocumentStreamTuple (Telerik.XamarinForms.PdfViewer.DocumentStreamTuple value) [0x0001e] in <136b85164c274f2fa1cf0f48d0e3f200>:0 
  at Telerik.XamarinForms.PdfViewer.StreamDocumentSource+<>c__DisplayClass18_1.<UpdateDocumentFromStreamFunc>b__2 () <0x153447728 + 0x00056> in <136b85164c274f2fa1cf0f48d0e3f200#897a8708db8305ecb598233d4a92b40f>:0 
  at Foundation.NSAsyncActionDispatcher.Apply () [0x00000] in /Users/builder/azdo/_work/2/s/xamarin-macios/src/Foundation/NSAction.cs:152 
  at (wrapper managed-to-native) UIKit.UIApplication.UIApplicationMain(int,string[],intptr,intptr)
  at UIKit.UIApplication.Main (System.String[] args, System.IntPtr principal, System.IntPtr delegate) [0x00005] in /Users/builder/azdo/_work/2/s/xamarin-macios/src/UIKit/UIApplication.cs:86 
  at UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x0000e] in /Users/builder/azdo/_work/2/s/xamarin-macios/src/UIKit/UIApplication.cs:65 
  at Kpmg.Constellation.Mobile.iOS.Application.Main (System.String[] args) [0x00002] in /Users/ananeabdeljalil/GitSource/myPulseV2/Constellation.Mobile/src/Kpmg.Constellation.Mobile.iOS/Main.cs:18 

[Yana]

We would need more details on the scenario you have as it's difficult to find out what's the reasons behind the exception only from the stack trace.  Would it be possible to send me the PdfViewer definition and the code for loading the pdf document?