App crash when initialize the OAStackView

[xiaomaogong]

Any idea why this crash?

Crashed: com.apple.main-thread
EXC_BAD_ACCESS KERN_PROTECTION_FAILURE 0x0000000189a49e6a

Crashed: com.apple.main-thread
0 MyAPP 0x100b30000 -OAStackViewAlignmentStrategy addConstraintsOnOtherAxis:
1 MyAPP 0x100b2e9c4 38-[OAStackView setAlignmentConstraints]_block_invoke (OAStackView.m:146)
2 MyAPP 0x100b2d784 -OAStackView(Traversal) iterateVisibleViews:
3 MyAPP 0x100b2e8c8 -OAStackView setAlignmentConstraints
4 MyAPP 0x100b2f7f0 -OAStackView layoutArrangedViews
5 MyAPP 0x100b2e234 -OAStackView initWithArrangedSubviews:
6 MyAPP 0x1002745dc -MyFCVMajorCell tk_initialize
7 MyAPP 0x1002735b0 -MyFCVMajorCell initWithFrame:
8 UIKit 0x18988f488 -[UICollectionView dequeueReusableViewOfKind:withIdentifier:forIndexPath:viewCategory:] + 892
9 UIKit 0x1890abd48 -[UICollectionView dequeueReusableCellWithReuseIdentifier:forIndexPath:] + 180
10 MyAPP 0x1007639a8 -MyFollowingCollectionView collectionView:cellForItemAtIndexPath:
11 UIKit 0x1898873a8 -[UICollectionView createPreparedCellForItemAtIndexPath:withLayoutAttributes:applyAttributes:isFocused:] + 432
12 UIKit 0x1890a9adc -[UICollectionView updateVisibleCellsNow:] + 4628
13 UIKit 0x1890a4808 -[UICollectionView layoutSubviews] + 228
14 UIKit 0x1890401e4 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 656
15 QuartzCore 0x1869d2994 -[CALayer layoutSublayers] + 148
16 QuartzCore 0x1869cd5d0 CA::Layer::layout_if_needed(CA::Transaction) + 292
17 QuartzCore 0x1869cd490 CA::Layer::layout_and_display_if_needed(CA::Transaction) + 32
18 QuartzCore 0x1869ccac0 CA::Context::commit_transaction(CA::Transaction) + 252
19 QuartzCore 0x1869cc820 CA::Transaction::commit() + 500
20 QuartzCore 0x1869c5de4 CA::Transaction::observer_callback(_CFRunLoopObserver, unsigned long, void) + 80
21 CoreFoundation 0x183e9c728 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION* + 32
22 CoreFoundation 0x183e9a4cc __CFRunLoopDoObservers + 372
23 CoreFoundation 0x183e9a8fc __CFRunLoopRun + 928
24 CoreFoundation 0x183dc4c50 CFRunLoopRunSpecific + 384
25 GraphicsServices 0x1856ac088 GSEventRunModal + 180
26 UIKit 0x1890ae088 UIApplicationMain + 204
27 MyAPP 0x1000d1fc0 main (main.m:22)
28 libdispatch.dylib 0x1839628b8 (Missing)

[ghost]

I have the same issue. Anyone can answer this?