System.NullReferenceException: Object reference not set to an instance of an object at Syncfusion.SfPdfViewer.XForms.iOS.ScrollViewEx.LoadDocument (System.IO.Stream inputStream) [0x00120] in :0 at System.Runtime.CompilerServices.AsyncMethodBuilderCore+<>c.b__7_0 (System.Object state) [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/Current/src/Xamarin.iOS/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1021 at Foundation.NSAsyncSynchronizationContextDispatcher.Apply () [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.16.0.13/src/Xamarin.iOS/Foundation/NSAction.cs:178 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 /Library/Frameworks/Xamarin.iOS.framework/Versions/13.16.0.13/src/Xamarin.iOS/UIKit/UIApplication.cs:86 at UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x0000e] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.16.0.13/src/Xamarin.iOS/UIKit/UIApplication.cs:65 at GettingStarted.iOS.Application.Main (System.String[] args) [0x00001] in /Users/nsft/Downloads/GettingStarted 2/GettingStarted/GettingStarted.iOS/Main.cs:17 2020-06-08 13:55:01.149 GettingStarted.iOS[4509:75211] Unhandled managed exception: Object reference not set to an instance of an object (System.NullReferenceException) at Syncfusion.SfPdfViewer.XForms.iOS.ScrollViewEx.LoadDocument (System.IO.Stream inputStream) [0x00120] in :0 at System.Runtime.CompilerServices.AsyncMethodBuilderCore+<>c.b__7_0 (System.Object state) [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/Current/src/Xamarin.iOS/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1021 at Foundation.NSAsyncSynchronizationContextDispatcher.Apply () [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.16.0.13/src/Xamarin.iOS/Foundation/NSAction.cs:178 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 /Library/Frameworks/Xamarin.iOS.framework/Versions/13.16.0.13/src/Xamarin.iOS/UIKit/UIApplication.cs:86 at UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x0000e] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.16.0.13/src/Xamarin.iOS/UIKit/UIApplication.cs:65 at GettingStarted.iOS.Application.Main (System.String[] args) [0x00001] in /Users/nsft/Downloads/GettingStarted 2/GettingStarted/GettingStarted.iOS/Main.cs:17 ================================================================= Native Crash Reporting ================================================================= Got a SIGABRT while executing native code. This usually indicates a fatal error in the mono runtime or one of the native libraries used by your application. ================================================================= ================================================================= Native stacktrace: ================================================================= 0x1033a1e08 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x10339889c - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x1033a134c - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x1a61d1434 - /usr/lib/system/libsystem_platform.dylib : 0x1a61d48b8 - /usr/lib/system/libsystem_pthread.dylib : pthread_kill 0x1a6164a74 - /usr/lib/system/libsystem_c.dylib : abort 0x1034e36c4 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : xamarin_get_block_descriptor 0x1033f7c08 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : mono_pmip 0x1033984a4 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x103396ec8 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x10338dcc8 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x10052dbac - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x1002dfb7c - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x1002e5ea4 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x100604ccc - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x1004eefd0 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x1033a8a30 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : mono_pmip 0x1034443b0 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : mono_pmip 0x103447898 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : mono_pmip 0x100139c40 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x10013ac00 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x1a61dea4c - /usr/lib/libobjc.A.dylib : 0x1a68bfc08 - /System/Library/Frameworks/Foundation.framework/Foundation : 0x1a6446108 - /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation : 0x1a644605c - /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation : 0x1a64457c8 - /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation : 0x1a6440694 - /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation : 0x1a643ff40 - /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation : CFRunLoopRunSpecific 0x1b06bd534 - /System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices : GSEventRunModal 0x1aa5b8a60 - /System/Library/PrivateFrameworks/UIKitCore.framework/UIKitCore : UIApplicationMain 0x10065ae5c - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x1005b1c60 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x1005b1be4 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x1001708f0 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x1004eefd0 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x1033a8a30 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : mono_pmip 0x1034443b0 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : mono_pmip 0x1034495ec - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : mono_pmip 0x10338d7d8 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x1034f2858 - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : _Z9__isctypeim 0x1001707ec - /private/var/containers/Bundle/Application/B07ABBD8-49DE-40DD-843B-285A4364AABD/GettingStarted.iOS.app/GettingStarted.iOS : (null) 0x1a62bee18 - /usr/lib/system/libdyld.dylib : ================================================================= Basic Fault Address Reporting ================================================================= Memory around native instruction pointer (0x1a62b4efc):0x1a62b4eec c0 03 5f d6 c0 03 5f d6 10 29 80 d2 01 10 00 d4 .._..._..)...... 0x1a62b4efc e3 00 00 54 fd 7b bf a9 fd 03 00 91 95 79 ff 97 ...T.{.......y.. 0x1a62b4f0c bf 03 00 91 fd 7b c1 a8 c0 03 5f d6 c0 03 5f d6 .....{...._..._. 0x1a62b4f1c 90 29 80 d2 01 10 00 d4 e3 00 00 54 fd 7b bf a9 .).........T.{.. ================================================================= Managed Stacktrace: ================================================================= =================================================================