我收到以下错误
线程：致命异常：NSInvalidArgumentException 无法将自我添加为子视图
我无法弄清楚我的代码在哪里发生或者它是如何发生的。有人可以帮我搞清楚吗？只有极少数人根据崩溃的情况得到这个（iOS 8 iphone用户正在体验这一点）。任何提示或建议表示赞赏。
0 CoreFoundation 0x221b0e3f __exceptionPreprocess + 126
1 libobjc.A.dylib 0x2f888c8b objc_exception_throw + 38
2 CoreFoundation 0x221b0d85 -[NSException initWithCoder:]
3 UIKit 0x2565548b -[UIView(Internal) _addSubview:positioned:relativeTo:] + 114
4 UIKit 0x25655413 -[UIView(Hierarchy) addSubview:] + 30
5 UIKit 0x2581ab69 __53-[_UINavigationParallaxTransition animateTransition:]_block_invoke + 1120
6 UIKit 0x2565baf5 +[UIView(Animation) performWithoutAnimation:] + 72
7 UIKit 0x2581a4c5 -[_UINavigationParallaxTransition animateTransition:] + 812
8 UIKit 0x257d8d21 -[UINavigationController _startCustomTransition:] + 2860
9 UIKit 0x256f7f57 -[UINavigationController _startDeferredTransitionIfNeeded:] + 422
10 UIKit 0x256f7d5d -[UINavigationController __viewWillLayoutSubviews] + 44
11 UIKit 0x256f7cf1 -[UILayoutContainerView layoutSubviews] + 184
12 UIKit 0x2564c677 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 514
13 QuartzCore 0x25074ccd -[CALayer layoutSublayers] + 136
14 QuartzCore 0x250706b5 CA::Layer::layout_if_needed(CA::Transaction*) + 360
15 QuartzCore 0x2507053d CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 16
16 QuartzCore 0x2506ff21 CA::Context::commit_transaction(CA::Transaction*) + 224
17 QuartzCore 0x2506fd25 CA::Transaction::commit() + 324
18 QuartzCore 0x25069bfd CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 56
19 CoreFoundation 0x221775cd __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 20
20 CoreFoundation 0x22174c8b __CFRunLoopDoObservers + 278
21 CoreFoundation 0x22175093 __CFRunLoopRun + 914
22 CoreFoundation 0x220c3621 CFRunLoopRunSpecific + 476
23 CoreFoundation 0x220c3433 CFRunLoopRunInMode + 106
24 GraphicsServices 0x294320a9 GSEventRunModal + 136
25 UIKit 0x256ae359 UIApplicationMain + 1440
26 MyApp 0x0008346f main (main.m:16)
27 libdyld.dylib 0x2fe08aaf start + 2