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Im also have the same issue..
Post not yet marked as solved
Pressing undo button several time again crashing
Terminating app due to uncaught exception 'NSRangeException', reason: 'NSMutableRLEArray replaceObjectsInRange:withObject:length:: Out of bounds'
First throw call stack:
(
0 CoreFoundation 0x00007fff23e3de6e __exceptionPreprocess + 350
1 libobjc.A.dylib 0x00007fff512539b2 objc_exception_throw + 48
2 Foundation 0x00007fff25a12215 -[NSMutableRLEArray deleteObjectsInRange:] + 0
3 Foundation 0x00007fff25a10c98 -[NSConcreteMutableAttributedString replaceCharactersInRange:withAttributedString:] + 314
4 UIFoundation 0x00007fff487ddfb4 __71-[NSConcreteTextStorage replaceCharactersInRange:withAttributedString:]_block_invoke + 47
5 UIFoundation 0x00007fff487ddb62 __NSConcreteTextStorageLockedForwarding + 44
6 UIFoundation 0x00007fff487ddf7f -[NSConcreteTextStorage replaceCharactersInRange:withAttributedString:] + 74
7 UIFoundation 0x00007fff487dbfa9 -[NSTextStorage coordinateEditing:] + 35
8 UIKitCore 0x00007fff496515a5 -[_UITextUndoOperationReplace undoRedo] + 418
9 Foundation 0x00007fff259d384c -[_NSUndoStack popAndInvoke] + 173
10 Foundation 0x00007fff259d1c72 -[NSUndoManager undoNestedGroup] + 296
11 UIKitCore 0x00007fff495d3df4 -[UISystemDefaultTextInputAssistantItem performSystemButtonActionForStyle:] + 628
12 UIKitCore 0x00007fff49326c1d -[UIApplication sendAction:to:from:forEvent:] + 83
13 TextInputUI 0x00007fff481bf4a7 -[TUIAssistantButtonBarView _didTapButtonBarButton:withEvent:] + 356
14 UIKitCore 0x00007fff49326c1d -[UIApplication sendAction:to:from:forEvent:] + 83
15 UIKitCore 0x00007fff48cd5baa -[UIControl sendAction:to:forEvent:] + 223
16 UIKitCore 0x00007fff48cd5ef2 -[UIControl _sendActionsForEvents:withEvent:] + 396
17 UIKitCore 0x00007fff48cd4e63 -[UIControl touchesEnded:withEvent:] + 497
18 UIKitCore 0x00007fff49362508 -[UIWindow _sendTouchesForEvent:] + 1359
19 UIKitCore 0x00007fff4936428d -[UIWindow sendEvent:] + 4501
20 UIKitCore 0x00007fff4933e6d1 -[UIApplication sendEvent:] + 356
21 UIKitCore 0x00007fff493c94ce __dispatchPreprocessedEventFromEventQueue + 7628
22 UIKitCore 0x00007fff493cc692 __handleEventQueueInternal + 6584
23 UIKitCore 0x00007fff493c2f35 __handleHIDEventFetcherDrain + 88
24 CoreFoundation 0x00007fff23da1c91 CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION + 17
25 CoreFoundation 0x00007fff23da1bbc __CFRunLoopDoSource0 + 76
26 CoreFoundation 0x00007fff23da1394 __CFRunLoopDoSources0 + 180
27 CoreFoundation 0x00007fff23d9bf8e __CFRunLoopRun + 974
28 CoreFoundation 0x00007fff23d9b8a4 CFRunLoopRunSpecific + 404
29 GraphicsServices 0x00007fff38c39bbe GSEventRunModal + 139
30 UIKitCore 0x00007fff49325968 UIApplicationMain + 1605
31 test 0x000000010398c18b main + 75
32 libdyld.dylib 0x00007fff520ce1fd start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException