Exception information, please analyzes, the main reason, thank you. (Sometimes hang)

*** Terminating app due to uncaught exception 'NSGenericException', reason: '*** Collection was mutated while being enumerated (
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*** Call stack at first throw:
(
0 CoreFoundation 0x01bf2be9 __ exceptionPreprocess + 185
1 libobjc.A.dylib 0x01d475c2 objc_exception_throw + 47
2 CoreFoundation 0x01bf26a9 __ NSFastEnumerationMutationHandler + 377
3 UIKit 0x008059a0 - [UIView (Hierarchy) _makeSubtreePerformSelector: withObject: withObject: copySublayers:] + 239
4 UIKit 0x00805a5c - [UIView (Hierarchy) _makeSubtreePerformSelector: withObject: withObject: copySublayers:] + 427
5 UIKit 0x00805a5c - [UIView (Hierarchy) _makeSubtreePerformSelector: withObject: withObject: copySublayers:] + 427
6 UIKit 0x00805a5c - [UIView (Hierarchy) _makeSubtreePerformSelector: withObject: withObject: copySublayers:] + 427
7 UIKit 0x007fab0c - [UIView (Hierarchy) _makeSubtreePerformSelector: withObject:] + 64
8 UIKit 0x007fcb9e - [UIView (Internal) _addSubview: positioned: relativeTo:] + 474
9 UIKit 0x007fb2ac - [UIView (Hierarchy) insertSubview: atIndex:] + 64
10 UIKit 0x008399fc - [UITableView (_UITableViewPrivate) _addContentSubview: atBack:] + 101
11 UIKit 0x0083fccb - [UITableView (UITableViewInternal) _createPreparedCellForGlobalRow: withIndexPath:] + 1867
12 UIKit 0x0083577f - [UITableView (UITableViewInternal) _createPreparedCellForGlobalRow:] + 75
13 UIKit 0x0084a450 - [UITableView (_UITableViewPrivate) _updateVisibleCellsNow:] + 1561
14 UIKit 0x00842538 - [UITableView layoutSubviews] + 242
15 QuartzCore 0x0160d451 - [CALayer layoutSublayers] + 181
16 QuartzCore 0x0160d17c CALayerLayoutIfNeeded + 220
17 QuartzCore 0x0160637c _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 310
18 QuartzCore 0x016060d0 _ZN2CA11Transaction6commitEv + 292
19 QuartzCore 0x016367d5 _ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv + 99
20 CoreFoundation 0x01bd3fbb __ CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 27
21 CoreFoundation 0x01b690e7 __ CFRunLoopDoObservers + 295
22 CoreFoundation 0x01b31bd7 __ CFRunLoopRun + 1575
23 CoreFoundation 0x01b31240 CFRunLoopRunSpecific + 208
24 CoreFoundation 0x01b31161 CFRunLoopRunInMode + 97
25 GraphicsServices 0x02267268 GSEventRunModal + 217
26 GraphicsServices 0x0226732d GSEventRun + 115
27 UIKit 0x007da42e UIApplicationMain + 1160
28 Áà ± ËÅä 0x00001ed8 main + 102
29 Áà ± ËÅä 0x00001e69 start + 53
)
terminate called after throwing an instance of 'NSException'
Reply:
There are an array looks like when in use are released ⋯ ⋯
Reply:
Collection was mutated while being enumerated
When using an array NSEnumerator enumeration errors caused by changing
Reply:
I do not know this issue is resolved yet?
Reply:
Your array is not being referenced in other places?
Reply:
Problem has not been solved yet, code reuse much in change someone else's code, you mean to say I know, thank you.