iOS 11 crash on swipe to delete - reason: No occurrence for index path (null)

UI Frameworks UIKit
Neoos OP
Created Mar ’18
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My app is crashing on iOS 11 when I swipe to delete on a UITableViewCell:


2018-03-09 11:27:14.178099+0100 APP Dev[21820:47205020] *** Assertion failure in -[UISwipeActionController swipeHandlerDidBeginSwipe:], /BuildRoot/Library/Caches/com.apple.xbs/Sources/UIKit_Sim/UIKit-3698.33.6/SwipeActions/UISwipeActionController.m:268

2018-03-09 11:27:14.205179+0100 APP Dev[21820:47205020] void uncaughtExceptionHandler(NSException *__strong) [Line 191] Exception handler

2018-03-09 11:27:14.209685+0100 APP Dev[21820:47205020] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'No occurrence for index path (null)'


On iOS 10 the behaviro is slightly different. The app does not crash but the delete button remains white and does not show (but the cell does slide).


I've never seen this before. Am I doing something wrong or is this an iOS bug?

Replies  2
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Neoos OP
Mar ’18

Update: I've just found out using tableView:editActionsForRowAtIndexPath: on iOS 10 that the indexPath returned is {length = 2, path = 18446744073709551615 - 18446744073709551615}. That's 2^64 - 1 so I guess there is an overflow happening somewhere. But why?

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griffin_stewie OP
Mar ’18

Same issue here.

Seems like similar issue https://forums.developer.apple.com/thread/88190

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iOS 11 crash on swipe to delete - reason: No occurrence for index path (null)
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