We have never seen such exception before, can someone let us know what's the problem is and what is the solution for it ?
callstack from the crash report
0
CoreFoundation
__exceptionPreprocess
1 libobjc.A.dylib
objc_exception_throw
2 CoreFoundation
+[NSException raise:format:]
3 Foundation
-[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:]
4 UIKit
__46-[UITableView _updateWithItems:updateSupport:]_block_invoke.972
5 UIKit
+[UIView(UIViewAnimationWithBlocks) _setupAnimationWithDuration:delay:view:options:factory:animations:start:animationStateGenerator:completion:]
6 UIKit
+[UIView(UIViewAnimationWithBlocks) animateWithDuration:delay:options:animations:completion:]
7 UIKit
-[UITableView _updateWithItems:updateSupport:]
8 UIKit
-[UITableView _endCellAnimationsWithContext:]
9
UIKit
-[UITableView _updateRowsAtIndexPaths:updateAction:withRowAnimation:]