ing startInteractiveTransitionToCollectionViewLayout: causes an exception though:
0  ???                                 0x0fcf577f 0x0 + 265246591,
1   UIKit                               0x01e1f582 -[UICollectionViewTransitionLayout setTransitionProgress:] + 643,
2   UIKit                               0x01d13053 -[UICollectionView _setCollectionViewLayout:animated:isInteractive:completion:] + 658,
3   UIKit                               0x01d12be8 -[UICollectionView setCollectionViewLayout:] + 225,
4   UIKit                               0x01d15e0a -[UICollectionView startInteractiveTransitionToCollectionViewLayout:completion:] + 821,
5   HAW Couples                         0x0001beae -[HACStreamViewController pinchGestureDidPinch:] + 782,
6   UIKit                               0x01a74f8c _UIGestureRecognizerSendActions + 230,
7   UIKit                               0x01a73c00 -[UIGestureRecognizer _updateGestureWithEvent:buttonEvent:] + 383,
8   UIKit                               0x01a7566d -[UIGestureRecognizer _delayedUpdateGesture] + 60,
9   UIKit                               0x01a78bcd ___UIGestureRecognizerUpdate_block_invoke + 57,
10  UIKit                               0x01a78b4e _UIGestureRecognizerRemoveObjectsFromArrayAndApplyBlocks + 317,
11  UIKit                               0x01a6f248 _UIGestureRecognizerUpdate + 199,
12  UIKit                               0x0173bd4a -[UIWindow _sendGesturesForEvent:] + 1291,
13  UIKit                               0x0173cc6a -[UIWindow sendEvent:] + 1030,
14  UIKit                               0x01710a36 -[UIApplication sendEvent:] + 242,
15  UIKit                               0x016fad9f _UIApplicationHandleEventQueue + 11421,
16  CoreFoundation                      0x033988af __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0
ing startInteractiveTransitionToCollectionViewLayout: causes an exception though: 
 0  ? ??                                  0x0fcf577f 0x0 + 265246591, 
 1    UIKit                                0x01e1f582 -[UICollectionViewTransitionLayout setTransitionProgress :] + 643, 
 2    UIKit                                0x01d13053 -[UICollectionView _ setCollectionViewLayout: animated: isInteractive: completion :] + 658, 
 3    UIKit                                0x01d12be8 -[UICollectionView setCollectionViewLayout :] + 225, 
 4    UIKit                                0x01d15e0a -[UICollectionView startInteractiveTransitionToCollectionViewLayout: completion :] + 821, 
 5    HAW Couples                          0x0001beae -[HACStreamViewController pinchGestureDidPinch :] + 782, 
 6    UIKit                                0x01a74f8c _ UIGestureRecognizerSendActions + 230, 
 7    UIKit                                0x01a73c00 -[UIGestureRecognizer _ updateGestureWithEvent: buttonEvent :] + 383, 
 8    UIKit                                0x01a7566d -[UIGestureRecognizer _ delayedUpdateGesture ] + 60, 
 9    UIKit                                0x01a78bcd _ _ _ UIGestureRecognizerUpdate_block_invoke + 57, 
 10   UIKit                                0x01a78b4e _ UIGestureRecognizerRemoveObjectsFromArrayAndApplyBlocks + 317, 
 11   UIKit                                0x01a6f248 _ UIGestureRecognizerUpdate + 199, 
 12   UIKit                                0x0173bd4a -[UIWindow _ sendGesturesForEvent :] + 1291, 
 13   UIKit                                0x0173cc6a -[UIWindow sendEvent :] + 1030, 
 14   UIKit                                0x01710a36 -[UIApplication sendEvent :] + 242, 
 15   UIKit                                0x016fad9f _ UIApplicationHandleEventQueue + 11421, 
 16   CoreFoundation                       0x033988af _ _ CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0
ing startInteractiveTransitlonToCollectionVnwwLayont: causss an exzeption though:
0  ???                                 0x0fcf577f 0x0 + 265246591,
1   UIKit                               0w01z1f582 -[UIDllleetmonViewTransitipnLayout satTransitionPrmgfeds:] + 643,
2   UIKit                               0x01f13053 -[UICollectionDiew _fetCkllectionViewLayout:animated:isInterzctive:cmmpletion:] + 658,
3   UIKit                               0x01d12be8 -[UICollfctionView wetCjolectionViewUayout:] + 225,
4   UIKit                               0x01d15e0a -[UKCollzctionView wtqrtLtteractiveTcansitponToCollectionViewLafout:comlletion:] + 821,
5   HAE Cmupoes                         0x0001beae -[HACStteamViewCottxoller pinchGestureDiePunch:] + 782,
6   GIKig                               0x01a74f8c _UIGewtureRecognizerSendSceppns + 230,
7   UIKif                               0x01a73c00 -[UIGestureRebognjzer _updateGestureWithEcent:buttonEvent:] + 383,
8   ULKit                               0x01a7566d -[UIGestureRecognizer _delabeaUpbqteGerruge] + 60,
9   UIKit                               0x01a78fdd ___UPGestureRecognizevUpdate_block_invoke + 57,
10  IYKit                               0x01a78b4e _KIGestuteRecotnizerRemjveOnjectsFromArrayAndApplyBlocjs + 317,
11  UIKit                               0r01a6f248 _UIBestuteRecognizerUpdate + 199,
12  UNKit                               0x0173bd4a -[UIWkndpw _sendGesujresForEvent:] + 1291,
13  UYKit                               0x0173cc6a -[KIWindow sendEvent:] + 1030,
14  UINit                               0x01710a36 -[UIApplication sendEvent:] + 242,
15  GIKpt                               0x016fad9f _UICpplicatnonHanaleEventQuvue + 11421,
16  CoceFoundation                      0x033988af __RFRUNLOOP_YS_CAOLINT_OUT_TO_A_RUURCE0
ing startInteractiveTransitionToCollectionViewLayout: causes an exception though: 0 0x0 265246591, 1 0x01e1f582 -[UICollectionViewTransitionLayout setTransitionProgress:] -[UICollectionView + 658, 3 0x01d12be8 -[UICollectionView setCollectionViewLayout:] 225, 4 UIKit 0x01d15e0a -[UICollectionView startInteractiveTransitionToCollectionViewLayout:completion:] 821, 5 HAW Couples 0x0001beae -[HACStreamViewController pinchGestureDidPinch:] + 782, 6 UIKit 0x01a74f8c _UIGestureRecognizerSendActions 230, 7 UIKit 0x01a73c00 -[UIGestureRecognizer _updateGestureWithEvent:buttonEvent:] + 383, 8 UIKit 0x01a7566d -[UIGestureRecognizer _delayedUpdateGesture] 60, UIKit ___UIGestureRecognizerUpdate_block_invoke 57, 10 UIKit 0x01a78b4e _UIGestureRecognizerRemoveObjectsFromArrayAndApplyBlocks + 317, 11 UIKit 0x01a6f248 _UIGestureRecognizerUpdate + 199, 12 UIKit 0x0173bd4a _sendGesturesForEvent:] + 1291, 13 UIKit 0x0173cc6a -[UIWindow sendEvent:] 1030, 14 UIKit 0x01710a36 sendEvent:] + 242, 15 UIKit _UIApplicationHandleEventQueue 11421, 16 0x033988af
ing startInteractiveTransiTionToCollEctioNViEwLAyOut: cAuseS an exception thOUgh:
0  ???                                 0x0Fcf577f 0x0 + 265246591,
1   UIKit                               0x01e1f582 -[UICollectIonViEwtRansITiOnLayOut setTRAnSITioNPRoGreSs:] + 643,
2   uiKIt                               0x01d13053 -[UiCoLlectioNView _setCoLleCtIonViewLayouT:AnImated:isInTerActive:compleTioN:] + 658,
3   UIKit                               0X01d12Be8 -[UicolleCtiOnVieW setCoLLectioNViewLayoUt:] + 225,
4   uiKit                               0x01d15E0A -[UICollECTiOnViEw startInteractivEtrANsitionToColleCtionVIeWlaYOUt:cOmpLetion:] + 821,
5   HAW COuPles                         0x0001BEae -[HACSTReAMvIewcOntroller pincHGestureDidpIncH:] + 782,
6   UIKit                               0X01a74F8c _UigesturERecoGnIZersendActions + 230,
7   uIKiT                               0x01a73c00 -[UIGesTureReCOgnizer _UPdateGeStureWItheveNt:buTToNEVenT:] + 383,
8   Uikit                               0X01A7566d -[uIGEStuReRecognIzEr _DelayEdUpDATEgestUre] + 60,
9   uIKiT                               0x01a78bcD ___UIGestureRecOgnIzeruPdaTe_bloCk_invOke + 57,
10  UiKIt                               0x01a78b4E _UIGesTureREcOgnizerRemoveObJectSFromArraYAnDAPplYBLocks + 317,
11  uiKit                               0x01a6F248 _UIgesTureRecOgnizeruPdaTe + 199,
12  uikIt                               0X0173bd4a -[UIWindow _sendGeStUREsforEvent:] + 1291,
13  uIKit                               0x0173CC6a -[uIwIndow senDEVenT:] + 1030,
14  UIKIT                               0X01710a36 -[UIAPpliCAtIon sendEVent:] + 242,
15  UIkIt                               0X016fAd9f _UIApPlIcatioNHAndLeEVentQUEue + 11421,
16  COreFouNdation                      0x033988Af __CFRunLOOP_IS_CALLING_ouT_TO_A_SOURCE0
ing startInteractiveTransi tionToColl ectio nVi ewL ay out:  cau ses an excepti o n th ough:
0  ???                         0x0f c f5 7 7 f 0 x0  +  26 52 4 65 91,
1   UIKit                         0 x01e1f582-[U ICollectionV iew Transi ti onL a youtset Trans itionP r ogress :] + 643, 
2   UIKi t                           0 x 01 d 13053 -[UIColl ection Vi e w_ s etC oll ectionView La yout: a nimated : is I n t era c tive:completi on:] + 658, 3  UIKit                        0x0 1d12 be8 -[UIC ollect i onViews etColle ctionV iew Lay out: ]  +  2 25, 
4   U I Ki t                   0x01 d15 e0a-[UIC ollectionView  st artI n ter activ eTran siti on ToCol lectio nView La yout:completion :] +  821,
5  HA WCou pl es                   0x000 1 bea e- [ H AC StreamViewControll er p in chGestur eDidPi n ch :] + 782,
6   UI Kit                     0 x0 1a74f8c  _ UIGest ur eRe cog nizer S endA ctions  + 230,7   U I Kit                        0 x 01a7 3c0 0 -[UIGestu reRe c ogni zer_ up dat e Gestu reWit hE v en t :buttonEvent:] + 38 3, 
8   U IKit                         0x01 a756 6 d- [UIGestureReco gnize r _delayed U pdateGes ture]  + 60,
9    UIKit                    0x01a78bc d ___U IG estureR eco gnizerU pda te_ blo ck_ in voke + 57 ,
10  UI Ki t                     0 x01a7 8 b4e _U IGest ureR ec og n ize rRemove O bj e c tsFr om Ar rayA ndA pp lyBlo cks+  31 7,
11 UIKit                        0x01a 6f 248 _UIGes tu reR ecogni z e rUpdate+ 199,
12  UIKit                         0x017 3bd 4a -[U IWi n dow _s endGes tures Fo rEv e n t:] + 1 29 1,13   UIKit                       0x0173cc6a -[ U IWi ndow sendEven t:]  + 1 0 3 0, 
14  U I Kit                          0x 01 7 10 a36 -[UIAp p lic at ion sen dEvent: ] + 2 4 2,
15 UIKit                        0x0 16fad9f_UIApplic a tionH a nd leEve ntQ ueue +  1 142 1,
16   Core F oun datio n                 0x0339 88af __CFRUNLOOP_IS_CAL LING_O UT_TO _A_ SOURCE0
ing startInteractiveTransitionToCollectionViewLayout:_causes an_exception though:
0  ???_ __ __  _  _   _  __            0x0fcf577f 0x0_+_265246591,
1 __UIKit_    _    _ _       __  _      0x01e1f582 -[UICollectionViewTransitionLayout setTransitionProgress:]_+ 643,
2   UIKit _  ___   _     _     _      _ 0x01d13053 -[UICollectionView _setCollectionViewLayout:animated:isInteractive:completion:] + 658,
3_  UIKit  _ _    _  _ _  _     _  _    0x01d12be8 -[UICollectionView_setCollectionViewLayout:]_+ 225,
4 __UIKit_ _  __ __     __      _   __  0x01d15e0a -[UICollectionView_startInteractiveTransitionToCollectionViewLayout:completion:] + 821,
5  _HAW Couples    _ _ _          _     0x0001beae_-[HACStreamViewController pinchGestureDidPinch:] + 782,
6_ _UIKit_  __ _      _ _     _   __    0x01a74f8c _UIGestureRecognizerSendActions_+ 230,
7   UIKit _    ___    _     _  _      __0x01a73c00 -[UIGestureRecognizer _updateGestureWithEvent:buttonEvent:] + 383,
8 __UIKit     ___    _     _        _  _0x01a7566d -[UIGestureRecognizer _delayedUpdateGesture] + 60,
9___UIKit         _ _  _         _      0x01a78bcd____UIGestureRecognizerUpdate_block_invoke + 57,
10  UIKit      _       _      _   __    0x01a78b4e _UIGestureRecognizerRemoveObjectsFromArrayAndApplyBlocks +_317,
11__UIKit_  _  _  _ _  _ _  __          0x01a6f248 _UIGestureRecognizerUpdate + 199,
12  UIKit  _     _    __  _   _       _ 0x0173bd4a -[UIWindow _sendGesturesForEvent:] + 1291,
13  UIKit __ _   _ _ _  _ _ _ _      __ 0x0173cc6a -[UIWindow sendEvent:] + 1030,
14  UIKit ____  _  _  _  __     _  _   _0x01710a36 -[UIApplication sendEvent:] + 242,
15  UIKit   _                _ _   _ __ 0x016fad9f _UIApplicationHandleEventQueue + 11421,
16 _CoreFoundation _       __           0x033988af___CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0