Backtrace

* thread #1: tid = 0xd2d0f, 0x0000000182705704 libobjc.A.dylib`objc_object::release() + 8, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x20)
    frame #0: 0x0000000182705704 libobjc.A.dylib`objc_object::release() + 8
    frame #1: 0x0000000189d3b200 UIKit`-[UICollectionViewUpdate _computeItemUpdates] + 2128
  * frame #2: 0x0000000189d3a320 UIKit`-[UICollectionViewUpdate initWithCollectionView:updateItems:oldModel:newModel:oldVisibleBounds:newVisibleBounds:] + 364
    frame #3: 0x000000018a463898 UIKit`-[UICollectionView _endItemAnimationsWithInvalidationContext:tentativelyForReordering:animator:] + 11200
    frame #4: 0x000000018a467c98 UIKit`-[UICollectionView _endUpdatesWithInvalidationContext:tentativelyForReordering:animator:] + 92
    frame #5: 0x000000018a467f78 UIKit`-[UICollectionView _performBatchUpdates:completion:invalidationContext:tentativelyForReordering:animator:] + 384
    frame #6: 0x000000018a467dd8 UIKit`-[UICollectionView _performBatchUpdates:completion:invalidationContext:tentativelyForReordering:] + 96
    frame #7: 0x000000018a467d5c UIKit`-[UICollectionView _performBatchUpdates:completion:invalidationContext:] + 84
    frame #8: 0x0000000189d44618 UIKit`-[UICollectionView performBatchUpdates:completion:] + 64
    frame #9: 0x000000010013f4c8 Project`UICollectionView.applyChangeset(deleted=0 values, inserted=20 values, updated=0 values, animationStyle=automatic, self=0x0000000104283c00) -> () + 736 at UICollectionView.swift:31
    frame #10: 0x000000010013fcb0 Project`@objc UICollectionView.applyChangeset(deleted : [Int], inserted : [Int], updated : [Int], animationStyle : UITableViewRowAnimation) -> () + 196 at UICollectionView.swift:0
    frame #11: 0x00000001000c3c34 Project`OfferListV.(data=(Swift.Optional<(deleted: Swift.Array<Swift.Int>, inserted: Swift.Array<Swift.Int>, updated: Swift.Array<Swift.Int>)>, Swift.Optional<Project.NetErrorInfo>) @ 0x000000016fd55ab0, self=0x0000000109d93141) -> ()).(closure #1) + 640 at OfferListV.swift:56
    frame #12: 0x00000001000c3ff0 Project`thunk + 60 at OfferListV.swift:0
    frame #13: 0x0000000102450f50 RxSwift`ObservableType.(e=<unavailable>, onNext=0x00000001000c4034 Project`partial apply forwarder for reabstraction thunk helper from @callee_owned (@owned Swift.Optional<(deleted : Swift.Array<Swift.Int>, inserted : Swift.Array<Swift.Int>, updated : Swift.Array<Swift.Int>)>, @owned Swift.Optional<Project.NetErrorInfo>) -> () to @callee_owned (@in (Swift.Optional<(deleted : Swift.Array<Swift.Int>, inserted : Swift.Array<Swift.Int>, updated : Swift.Array<Swift.Int>)>, Swift.Optional<Project.NetErrorInfo>)) -> (@out ()) at OfferListV.swift, onError=nil, disposable=RxSwift.NopDisposable @ 0x0000000109b51d40, onCompleted=nil) -> ()?, onError : (Error) -> ()?, onCompleted : () -> ()?, onDisposed : () -> ()?) -> Disposable).(closure #1) + 624 at ObservableType+Extensions.swift:97
    frame #14: 0x0000000102451368 RxSwift`partial apply for ObservableType.(subscribe(onNext : (A.E) -> ()?, onError : (Error) -> ()?, onCompleted : () -> ()?, onDisposed : () -> ()?) -> Disposable).(closure #1) + 224 at ObservableType+Extensions.swift:0
    frame #15: 0x00000001023d1220 RxSwift`AnonymousObserver.onCore(event=<unavailable>, self=0x0000000109ea8090) -> () + 364 at AnonymousObserver.swift:26
    frame #16: 0x0000000102456e1c RxSwift`ObserverBase.on(event=<unavailable>, self=(_isStopped = 0)) -> () + 760 at ObserverBase.swift:20
    frame #17: 0x0000000102457390 RxSwift`protocol witness for ObserverType.on(Event<A.E>) -> () in conformance <A> ObserverBase<A> + 80 at ObserverBase.swift:0
    frame #18: 0x00000001024923f0 RxSwift`Sink.forwardOn(event=<unavailable>, self=0x000000010ae132b0) -> () + 448 at Sink.swift:29
    frame #19: 0x0000000102442c70 RxSwift`MergeSinkIter.on(event=<unavailable>, self=0x000000010a0a4470) -> () + 652 at Merge.swift:248
    frame #20: 0x00000001024432cc RxSwift`protocol witness for ObserverType.on(Event<A.E>) -> () in conformance <A, B, C where ...> MergeSinkIter<A, B, C> + 80 at Merge.swift:0
    frame #21: 0x0000000102437fa0 RxSwift`Just.subscribe<A where ...> (observer=0x000000016fd56540, self=0x000000010aea0800) -> Disposable + 216 at Just.swift:57
    frame #22: 0x0000000102440f34 RxSwift`MergeSink.subscribeInner(source=0x000000010aea0800, self=0x000000010ae132b0) -> () + 388 at Merge.swift:336
    frame #23: 0x00000001024408b4 RxSwift`MergeSink.on(event=<unavailable>, self=0x000000010ae132b0) -> () + 752 at Merge.swift:307
    frame #24: 0x0000000102443568 RxSwift`protocol witness for ObserverType.on(Event<A.E>) -> () in conformance <A, B, C where ...> MergeSink<A, B, C> + 80 at Merge.swift:0
    frame #25: 0x00000001023dc748 RxSwift`BehaviorSubject._synchronized_subscribe<A where ...> (observer=0x000000016fd56bc8, self=0x0000000107c74320) -> Disposable + 1624 at BehaviorSubject.swift:112
    frame #26: 0x00000001023dc048 RxSwift`BehaviorSubject.subscribe<A where ...> (observer=0x000000016fd56ce0, self=0x0000000107c74320) -> Disposable + 136 at BehaviorSubject.swift:97
    frame #27: 0x0000000102441104 RxSwift`MergeSink.run(source=0x0000000107c74320, self=0x000000010ae132b0) -> Disposable + 312 at Merge.swift:344
    frame #28: 0x0000000102443808 RxSwift`FlatMap.run<A where ...> (observer=0x000000016fd57058, cancel=0x0000000109ea7870, self=0x000000010ae3b8f0) -> (sink : Disposable, subscription : Disposable) + 356 at Merge.swift:367
    frame #29: 0x000000010245ae30 RxSwift`Producer.(_0=() @ scalar(0xffffffffffffffff), self=0x000000010ae3b8f0, observer=0x000000010ae4b6f0) -> Disposable).(closure #1) + 244 at Producer.swift:28
    frame #30: 0x0000000102423840 RxSwift`thunk + 28 at DelaySubscription.swift:0
    frame #31: 0x0000000102415d34 RxSwift`CurrentThreadScheduler.schedule<A> (state=() @ 0x000000010245ac74, action=0x000000010245b128 RxSwift`partial apply forwarder for reabstraction thunk helper <A><A1 where A1: RxSwift.ObserverType, A == A1.E> from @callee_owned () -> (@out RxSwift.Disposable) to @callee_owned (@in ()) -> (@out RxSwift.Disposable) at Producer.swift, self=0x0000000107c284d0) -> Disposable) -> Disposable + 144 at CurrentThreadScheduler.swift:64
    frame #32: 0x000000010245acdc RxSwift`Producer.subscribe<A where ...> (observer=0x000000016fd57818, self=0x000000010ae3b8f0) -> Disposable + 984 at Producer.swift:32
    frame #33: 0x00000001024506dc RxSwift`ObservableType.subscribeSafe<A where ...> (observer=<unavailable>, self=0x000000016fd57ff8) -> Disposable + 156 at ObservableType+Extensions.swift:117
    frame #34: 0x0000000102450b8c RxSwift`ObservableType.subscribe(onNext=0x00000001000c4034 Project`partial apply forwarder for reabstraction thunk helper from @callee_owned (@owned Swift.Optional<(deleted : Swift.Array<Swift.Int>, inserted : Swift.Array<Swift.Int>, updated : Swift.Array<Swift.Int>)>, @owned Swift.Optional<Project.NetErrorInfo>) -> () to @callee_owned (@in (Swift.Optional<(deleted : Swift.Array<Swift.Int>, inserted : Swift.Array<Swift.Int>, updated : Swift.Array<Swift.Int>)>, Swift.Optional<Project.NetErrorInfo>)) -> (@out ()) at OfferListV.swift, onError=nil, onCompleted=nil, onDisposed=nil, self=0x000000016fd57ff8) -> ()?, onError : (Error) -> ()?, onCompleted : () -> ()?, onDisposed : () -> ()?) -> Disposable + 908 at ObservableType+Extensions.swift:107
    frame #35: 0x00000001000c2ea0 Project`OfferListV.setupCollection(self=0x0000000109d34c60) -> () + 1968 at OfferListV.swift:74
    frame #36: 0x00000001000c2264 Project`OfferListV.viewDidLoad(self=0x0000000109d34c60) -> () + 1168 at OfferListV.swift:38
    frame #37: 0x000000010022bd1c Project`SelectedOffersV.viewDidLoad(self=0x0000000109d34c60) -> () + 48 at SelectedOffersV.swift:23
    frame #38: 0x000000010022c70c Project`@objc SelectedOffersV.viewDidLoad() -> () + 40 at SelectedOffersV.swift:0
    frame #39: 0x0000000189b6a924 UIKit`-[UIViewController loadViewIfRequired] + 1056
    frame #40: 0x0000000189b6a4ec UIKit`-[UIViewController view] + 28
    frame #41: 0x000000010162fa98 PagingMenuController`PagingViewController.positionMenuController(self=0x000000010332aae0) -> () + 108 at PagingViewController.swift:190
    frame #42: 0x000000010161dde4 PagingMenuController`PagingMenuController.(pagingViewController=0x000000010332aae0) -> ()).(closure #1) + 48 at PagingMenuController.swift:178
    frame #43: 0x000000010160d058 PagingMenuController`thunk + 44 at MenuView.swift:0
    frame #44: 0x0000000189ba00f0 UIKit`+[UIView(UIViewAnimationWithBlocks) _setupAnimationWithDuration:delay:view:options:factory:animations:start:animationStateGenerator:completion:] + 636
    frame #45: 0x0000000189ce7650 UIKit`+[UIView(UIViewAnimationWithBlocks) animateWithDuration:animations:completion:] + 100
    frame #46: 0x000000010161dce4 PagingMenuController`PagingMenuController.move(page=2, animated=true, self=0x00000001033c5e40) -> () + 4396 at PagingMenuController.swift:186
    frame #47: 0x00000001016267ec PagingMenuController`PagingMenuController.handleTapGesture(recognizer=0x0000000109cd3b80, self=0x00000001033c5e40) -> () + 1964 at PagingMenuController.swift:421
    frame #48: 0x000000010162688c PagingMenuController`@objc PagingMenuController.handleTapGesture(UITapGestureRecognizer) -> () + 68 at PagingMenuController.swift:0
    frame #49: 0x000000018a132f80 UIKit`-[UIGestureRecognizerTarget _sendActionWithGestureRecognizer:] + 64
    frame #50: 0x000000018a136688 UIKit`_UIGestureRecognizerSendTargetActions + 124
    frame #51: 0x0000000189cfd73c UIKit`_UIGestureRecognizerSendActions + 260
    frame #52: 0x0000000189b9c0f0 UIKit`-[UIGestureRecognizer _updateGestureWithEvent:buttonEvent:] + 764
    frame #53: 0x000000018a126680 UIKit`_UIGestureEnvironmentUpdate + 1100
    frame #54: 0x000000018a1261e0 UIKit`-[UIGestureEnvironment _deliverEvent:toGestureRecognizers:usingBlock:] + 408
    frame #55: 0x000000018a12549c UIKit`-[UIGestureEnvironment _updateGesturesForEvent:window:] + 268
    frame #56: 0x0000000189b9a30c UIKit`-[UIWindow sendEvent:] + 2960
    frame #57: 0x0000000189b6ada0 UIKit`-[UIApplication sendEvent:] + 340
    frame #58: 0x000000018a35475c UIKit`__dispatchPreprocessedEventFromEventQueue + 2736
    frame #59: 0x000000018a34e130 UIKit`__handleEventQueue + 784
    frame #60: 0x0000000183c62b5c CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
    frame #61: 0x0000000183c624a4 CoreFoundation`__CFRunLoopDoSources0 + 524
    frame #62: 0x0000000183c600a4 CoreFoundation`__CFRunLoopRun + 804
    frame #63: 0x0000000183b8e2b8 CoreFoundation`CFRunLoopRunSpecific + 444
    frame #64: 0x0000000185642198 GraphicsServices`GSEventRunModal + 180
    frame #65: 0x0000000189bd57fc UIKit`-[UIApplication _run] + 684
    frame #66: 0x0000000189bd0534 UIKit`UIApplicationMain + 208
    frame #67: 0x000000010038ce0c Project`main + 140 at AppDelegate.swift:23
    frame #68: 0x0000000182b715b8 libdyld.dylib`start + 4