We are currently experiencing crashes when opening old messages on Intercom - iOS SDK.  Here is the error message: 

 

*** Assertion failure in -nIntercomSDKPrivate.TouchTransparentCollectionView _Bug_Detected_In_Client_Of_UICollectionView_Invalid_Batch_Updates:], UICollectionView.m:10,929

*** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Invalid batch updates detected: the number of sections and/or items returned by the data source before and after performing the batch updates are inconsistent with the updates.

Data source before updates = { 1 section with item counts: s2] }

Data source after updates = { 1 section with item counts: s2] }

Updates =

Insert item (0 - 0)

]

Collection view: <IntercomSDKPrivate.TouchTransparentCollectionView: 0x7fe6630e8c00; baseClass = UICollectionView; frame = (-393 0; 393 783); transform = 1, 0, 0, 1, -393, 0]; clipsToBounds = YES; alpha = 0; gestureRecognizers = <NSArray: 0x600000590e70>; backgroundColor = UIExtendedGrayColorSpace 0 0; layer = <CALayer: 0x600000baa240>; contentOffset: {0, -56}; contentSize: {393, 703.66666666666674}; adjustedContentInset: {56, 0, 34, 0}; layout: <ICMHomescreenFlowLayout: 0x7fe660d66b60>; dataSource: <ICMHomescreenViewController: 0x7fe66307f200>>'

*** First throw call stack:

(

0   CoreFoundation                      0x000000011483028d __exceptionPreprocess + 242

1   libobjc.A.dylib                     0x0000000118bbb894 objc_exception_throw + 48

2   Foundation                          0x000000011b867c80 _userInfoForFileAndLine + 0

3   UIKitCore                           0x000000013448f0a7 - UICollectionView _Bug_Detected_In_Client_Of_UICollectionView_Invalid_Batch_Updates:] + 115

4   UIKitCore                           0x000000013448e2bc -IUICollectionView _endItemAnimationsWithInvalidationContext:tentativelyForReordering:animator:collectionViewAnimator:] + 13332

5   UIKitCore                           0x0000000134489fec -2UICollectionView _updateRowsAtIndexPaths:updateAction:updates:] + 492

6   UIKitCore                           0x000000013448a0d2 -uUICollectionView insertItemsAtIndexPaths:] + 64

7   Intercom                            0x00000001164ce74f shouldRenderOnNewLine + 252402

8   CoreFoundation                      0x000000011475c3e0 __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 137

9   CoreFoundation                      0x000000011475c316 ___CFXRegistrationPost_block_invoke + 86

10  CoreFoundation                      0x000000011475b8e5 _CFXRegistrationPost + 536

11  CoreFoundation                      0x000000011475b1db _CFXNotificationPost + 815

12  Foundation                          0x000000011b8e7af1 -CNSNotificationCenter postNotificationName:object:userInfo:] + 82

13  Intercom                            0x000000011647ebb2 IntercomSDK_PINRemoteImageManagerSubclassOverridesSelector + 401527

14  Intercom                            0x00000001164bda50 shouldRenderOnNewLine + 183539

15  Intercom                            0x00000001164c110f shouldRenderOnNewLine + 197554

16  Intercom                            0x00000001164c0d04 shouldRenderOnNewLine + 196519

17  libdispatch.dylib                   0x00000001216a4747 _dispatch_call_block_and_release + 12

18  libdispatch.dylib                   0x00000001216a59f7 _dispatch_client_callout + 8

19  libdispatch.dylib                   0x00000001216b5856 _dispatch_main_queue_drain + 1362

20  libdispatch.dylib                   0x00000001216b52f6 _dispatch_main_queue_callback_4CF + 31

21  CoreFoundation                      0x000000011478c850 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9

22  CoreFoundation                      0x000000011478718b __CFRunLoopRun + 2463

23  CoreFoundation                      0x0000000114786409 CFRunLoopRunSpecific + 557

24  GraphicsServices                    0x00000001268b3187 GSEventRunModal + 137

25  UIKitCore                           0x000000013504e3a2 - UIApplication _run] + 972

26  UIKitCore                           0x0000000135052e10 UIApplicationMain + 123

27  Moovby                              0x00000001017ffb28 main + 56

28  dyld                                0x000000010ee273ee start_sim + 10

29  ???                                 0x0000000206d283a6 0x0 + 8704394150

)

libc++abi: terminating due to uncaught exception of type NSException