We are currently experiencing crashes when opening old messages on Intercom - iOS SDK. Here is the error message:
*** Assertion failure in -[IntercomSDKPrivate.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: [2] }
Data source after updates = { 1 section with item counts: [2] }
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 -[UICollectionView _endItemAnimationsWithInvalidationContext:tentativelyForReordering:animator:collectionViewAnimator:] + 13332
5 UIKitCore 0x0000000134489fec -[UICollectionView _updateRowsAtIndexPaths:updateAction:updates:] + 492
6 UIKitCore 0x000000013448a0d2 -[UICollectionView 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 -[NSNotificationCenter 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
Best answer by Jacob Cox
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