Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Exception Note: EXC_CORPSE_NOTIFY Triggered by Thread: 0 Thread 0 name: Thread 0 Crashed: 0 libsystem_kernel.dylib 0x00000001bda967b0 __pthread_kill + 8 1 libsystem_pthread.dylib 0x00000001da1649c0 pthread_kill + 212 (pthread.c:1582) 2 libsystem_c.dylib 0x000000019a85fac0 __abort + 124 (abort.c:155) 3 libsystem_c.dylib 0x000000019a85fa44 abort + 132 (abort.c:126) 4 libswiftCore.dylib 0x0000000195884170 swift::fatalError(unsigned int, char const*, ...) + 56 (Errors.cpp:404) 5 libswiftCore.dylib 0x00000001958842c0 swift::swift_abortRetainUnowned(void const*) + 52 (Errors.cpp:463) 6 libswiftCore.dylib 0x0000000195886724 swift_unownedRetainStrong + 184 (HeapObject.cpp:636) 7 SwiftUI 0x0000000198131fd0 ViewGraph.parentHost.getter + 36 (ViewGraph.swift:235) 8 SwiftUI 0x00000001985a91bc UIHostingController.updateKeyboardShortcutManagement() + 108 (_UIHostingController.swift:61) 9 SwiftUI 0x00000001986a7434 UIHostingController.didMove(toParent:) + 112 (UIHostingController.swift:693) 10 SwiftUI 0x00000001986a7464 @objc UIHostingController.didMove(toParent:) + 40 (<compiler-generated>:0) 11 UIKitCore 0x0000000193e0bd6c -[UIViewController removeChildViewController:notifyDidMove:] + 180 (UIViewController.m:4451) 12 UIKitCore 0x0000000193d70790 -[UIPageViewController _flushViewController:animated:] + 180 (UIPageViewController.m:2111) 13 UIKitCore 0x0000000193d70944 -[UIPageViewController queuingScrollView:didFlushView:animated:] + 160 (UIPageViewController.m:2121) 14 UIKitCore 0x0000000193d775c8 -[_UIQueuingScrollView _flushView:animated:] + 132 (_UIQueuingScrollView.m:390) 15 UIKitCore 0x0000000193d7773c -[_UIQueuingScrollView _replaceViews:updatingContents:adjustContentInsets:animated:] + 344 (_UIQueuingScrollView.m:400) 16 UIKitCore 0x0000000193d77e58 -[_UIQueuingScrollView _invalidateOffscreenViews] + 140 (_UIQueuingScrollView.m:455) 17 UIKitCore 0x0000000193d670a0 -[UIPageViewController setDataSource:] + 928 (UIPageViewController.m:520) 18 UIKitCore 0x0000000193d67278 __38-[UIPageViewController setDataSource:]_block_invoke.205 + 80 (UIPageViewController.m:510) 19 UIKitCore 0x00000001948840dc -[_UIWeakHelper dealloc] + 44 (_UIWeakHelper.m:32) 20 libobjc.A.dylib 0x00000001a59bcaec _object_remove_assocations + 664 (objc-references.mm:84) 21 libobjc.A.dylib 0x00000001a59b95cc objc_destructInstance + 104 (objc-runtime-new.mm:8144) 22 libobjc.A.dylib 0x00000001a59c053c _objc_rootDealloc + 52 (objc-runtime-new.mm:8162) 23 SwiftUI 0x00000001983116d0 PlatformViewChild.destroyPlatformView() + 624 (PlatformViewRepresentable.swift:461) 24 SwiftUI 0x000000019831263c protocol witness for static _AttributeBody._destroySelf(_:) in conformance PlatformViewChild<A> + 24 (<compiler-generated>:0) 25 AttributeGraph 0x00000001b920ca74 @objc closure #2 in closure #1 in variable initialization expression of vtable + 32 (VTables.swift:70) 26 AttributeGraph 0x00000001b91ff4ec AG::Node::destroy(AG::Graph&) + 180 (ag-node.cc:30) 27 AttributeGraph 0x00000001b91f7c3c AG::Subgraph::invalidate_now(AG::Graph&, unsigned long) + 1220 (ag-graph-impl.h:159) 28 AttributeGraph 0x00000001b91f76fc AG::Graph::invalidate_subgraphs() + 172 (ag-subgraph.cc:83) 29 AttributeGraph 0x00000001b91f2e60 AG::Graph::Context::~Context() + 204 (ag-graph.h:744) 30 CoreFoundation 0x0000000191ba87b0 _CFRelease + 268 (CFRuntime.c:2126) 31 SwiftUI 0x00000001985e3a60 GraphHost.deinit + 432 (<compiler-generated>:0) 32 SwiftUI 0x0000000198131e38 ViewGraph.deinit + 36 (<compiler-generated>:0) 33 SwiftUI 0x0000000198131f58 ViewGraph.__deallocating_deinit + 12 (ViewGraph.swift:0) 34 libswiftCore.dylib 0x0000000195886ac8 _swift_release_dealloc + 28 (HeapObject.cpp:699) 35 libswiftCore.dylib 0x0000000195887a88 bool swift::HeapObjectSideTableEntry::decrementStrong<(swift::PerformDeinit)1>(unsigned int) + 320 (RefCount.h:1030) 36 SwiftUI 0x00000001986a0c58 @objc _UIHostingView.__ivar_destroyer + 72 (UIHostingView.swift:0) 37 libobjc.A.dylib 0x00000001a59a37f8 object_cxxDestructFromClass(objc_object*, objc_class*) + 112 (objc-class.mm:455) 38 libobjc.A.dylib 0x00000001a59b95bc objc_destructInstance + 88 (objc-class.mm:469) 39 libobjc.A.dylib 0x00000001a59c053c _objc_rootDealloc + 52 (objc-runtime-new.mm:8162) 40 UIKitCore 0x0000000194500500 -[UIResponder dealloc] + 152 (UIResponder.m:137) 41 UIKitCore 0x000000019499f824 -[UIView dealloc] + 900 (UIView.m:4641) 42 SwiftUI 0x00000001986a0be0 _UIHostingView.__deallocating_deinit + 232 (UIHostingView.swift:1453) 43 SwiftUI 0x00000001986a0c08 @objc _UIHostingView.__deallocating_deinit + 24 (<compiler-generated>:0) 44 libobjc.A.dylib 0x00000001a59c339c AutoreleasePoolPage::releaseUntil(objc_object**) + 200 (NSObject.mm:944) 45 libobjc.A.dylib 0x00000001a59c3278 objc_autoreleasePoolPop + 208 (NSObject.mm:1211) 46 CoreFoundation 0x0000000191c33318 _CFAutoreleasePoolPop + 28 (NSObject.m:798) 47 UIKitCore 0x0000000193ff7518 _popAutoreleasePool + 132 (UIApplication+AutoreleasePool.m:98) 48 UIKitCore 0x0000000193ff73b4 _UIApplicationDrainManagedAutoreleasePool + 76 (UIApplication+AutoreleasePool.m:178) 49 UIKitCore 0x00000001944fd134 _beforeCACommitHandler + 20 (UIApplication.m:2960) 50 CoreFoundation 0x0000000191ba5c40 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 32 (CFRunLoop.c:1799) 51 CoreFoundation 0x0000000191ba0270 __CFRunLoopDoObservers + 588 (CFRunLoop.c:1912) 52 CoreFoundation 0x0000000191ba080c __CFRunLoopRun + 1012 (CFRunLoop.c:2953) 53 CoreFoundation 0x0000000191b9fed0 CFRunLoopRunSpecific + 572 (CFRunLoop.c:3242) 54 GraphicsServices 0x00000001a82e9570 GSEventRunModal + 160 (GSEvent.c:2259) 55 UIKitCore 0x00000001944cd2d0 -[UIApplication _run] + 1052 (UIApplication.m:3269) 56 UIKitCore 0x00000001944d284c UIApplicationMain + 164 (UIApplication.m:4740) 57 MyApp 0x0000000100fbf4d8 main + 196 (main.swift:5) 58 libdyld.dylib 0x000000019187e140 start + 4