Check() when loading a child anim BP used as a linked instance

Check encountered by CloudChamber. Slack thread:
[Link Removed]

From Slack:
if I use that ChildBP as a LinkedInstance in another AnimBP and then close the editor and reopen it, I hit the following check when trying to open the AnimBP

check(NewAnimBlueprintClass->GetSparseClassDataStruct()>IsChildOf(RootAnimClass>GetSparseClassDataStruct()));

UnrealEditor-AnimGraph.dll!FAnimBlueprintCompilerContext::CopyTermDefaultsToDefaultObject(UObject * DefaultObject) Line 743 C++
UnrealEditor-KismetCompiler.dll!FKismetCompilerContext::PropagateValuesToCDO(UObject * InNewCDO, UObject * InOldCDO) Line 1300 C++
UnrealEditor-Kismet.dll!FBlueprintCompilationManagerImpl::ReinstanceBatch(TArray<FReinstancingJob,TSizedDefaultAllocator<32>> & Reinstancers, TMap<UClass *,UClass *,FDefaultSetAllocator,TDefaultMapHashableKeyFuncs<UClass *,UClass *,0>> & InOutOldToNewClassMap, FUObjectSerializeContext * InLoadContext) Line 2099 C++
UnrealEditor-Kismet.dll!FBlueprintCompilationManagerImpl::FlushCompilationQueueImpl(bool bSuppressBroadcastCompiled, TArray<UBlueprint *,TSizedDefaultAllocator<32>> * BlueprintsCompiled, TArray<UBlueprint *,TSizedDefaultAllocator<32>> * BlueprintsCompiledOrSkeletonCompiled, FUObjectSerializeContext * InLoadContext) Line 1422 C++
UnrealEditor-Kismet.dll!FBlueprintCompilationManager::FlushCompilationQueue(FUObjectSerializeContext * InLoadContext) Line 3085 C++
UnrealEditor-CoreUObject.dll!FScopedClassDependencyGather::~FScopedClassDependencyGather() Line 457 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::CreateExport(int Index) Line 5127 C++
[Inline Frame] UnrealEditor-CoreUObject.dll!FLinkerLoad::GetExportLoadClass(int) Line 3725 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::CreateExport(int Index) Line 4608 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::CreateExportAndPreload(int ExportIndex, bool bForcePreload) Line 3697 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::LoadAllObjects(bool bForcePreload) Line 3868 C++
UnrealEditor-CoreUObject.dll!LoadPackageInternal(UPackage * InOuter, const FPackagePath & PackagePath, unsigned int LoadFlags, FLinkerLoad * ImportLinker, FArchive * InReaderOverride, const FLinkerInstancingContext * InstancingContext, const FPackagePath * DiffPackagePath) Line 1328 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::VerifyImportInner::__l2::<lambda>(FObjectImport & Import, TOptional<FScopedSlowTask> & SlowTask) Line 3244 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::VerifyImportInner(const int ImportIndex, FString & WarningSuffix) Line 3360 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::VerifyImport(int ImportIndex) Line 2924 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::VerifyImportInner(const int ImportIndex, FString & WarningSuffix) Line 3388 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::VerifyImport(int ImportIndex) Line 2924 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::Verify() Line 2696 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::FinalizeCreation(TMap<TTuple<FName,FPackageIndex>,FPackageIndex,FDefaultSetAllocator,TDefaultMapHashableKeyFuncs<TTuple<FName,FPackageIndex>,FPackageIndex,0>> * ObjectNameWithOuterToExportMap) Line 2531 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::Tick(float InTimeLimit, bool bInUseTimeLimit, bool bInUseFullTimeLimit, TMap<TTuple<FName,FPackageIndex>,FPackageIndex,FDefaultSetAllocator,TDefaultMapHashableKeyFuncs<TTuple<FName,FPackageIndex>,FPackageIndex,0>> * ObjectNameWithOuterToExportMap) Line 817 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::CreateLinker(FUObjectSerializeContext * LoadContext, UPackage * Parent, const FPackagePath & PackagePath, unsigned int LoadFlags, FArchive * InLoader, const FLinkerInstancingContext * InstancingContext) Line 471 C++
UnrealEditor-CoreUObject.dll!GetPackageLinker(UPackage * InOuter, const FPackagePath & InPackagePath, unsigned int LoadFlags, UPackageMap * Sandbox, FGuid * CompatibleGuid, FArchive * InReaderOverride, FUObjectSerializeContext * * InOutLoadContext, FLinkerLoad * ImportLinker, const FLinkerInstancingContext * InstancingContext) Line 885 C++
UnrealEditor-CoreUObject.dll!LoadPackageInternal(UPackage * InOuter, const FPackagePath & PackagePath, unsigned int LoadFlags, FLinkerLoad * ImportLinker, FArchive * InReaderOverride, const FLinkerInstancingContext * InstancingContext, const FPackagePath * DiffPackagePath) Line 1223 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::VerifyImportInner::__l2::<lambda>(FObjectImport & Import, TOptional<FScopedSlowTask> & SlowTask) Line 3244 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::VerifyImportInner(const int ImportIndex, FString & WarningSuffix) Line 3360 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::VerifyImport(int ImportIndex) Line 2924 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::VerifyImportInner(const int ImportIndex, FString & WarningSuffix) Line 3388 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::VerifyImport(int ImportIndex) Line 2924 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::Verify() Line 2696 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::FinalizeCreation(TMap<TTuple<FName,FPackageIndex>,FPackageIndex,FDefaultSetAllocator,TDefaultMapHashableKeyFuncs<TTuple<FName,FPackageIndex>,FPackageIndex,0>> * ObjectNameWithOuterToExportMap) Line 2531 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::Tick(float InTimeLimit, bool bInUseTimeLimit, bool bInUseFullTimeLimit, TMap<TTuple<FName,FPackageIndex>,FPackageIndex,FDefaultSetAllocator,TDefaultMapHashableKeyFuncs<TTuple<FName,FPackageIndex>,FPackageIndex,0>> * ObjectNameWithOuterToExportMap) Line 817 C++
UnrealEditor-CoreUObject.dll!FLinkerLoad::CreateLinker(FUObjectSerializeContext * LoadContext, UPackage * Parent, const FPackagePath & PackagePath, unsigned int LoadFlags, FArchive * InLoader, const FLinkerInstancingContext * InstancingContext) Line 471 C++
UnrealEditor-CoreUObject.dll!GetPackageLinker(UPackage * InOuter, const FPackagePath & InPackagePath, unsigned int LoadFlags, UPackageMap * Sandbox, FGuid * CompatibleGuid, FArchive * InReaderOverride, FUObjectSerializeContext * * InOutLoadContext, FLinkerLoad * ImportLinker, const FLinkerInstancingContext * InstancingContext) Line 885 C++
UnrealEditor-CoreUObject.dll!LoadPackageInternal(UPackage * InOuter, const FPackagePath & PackagePath, unsigned int LoadFlags, FLinkerLoad * ImportLinker, FArchive * InReaderOverride, const FLinkerInstancingContext * InstancingContext, const FPackagePath * DiffPackagePath) Line 1223 C++
UnrealEditor-CoreUObject.dll!LoadPackage(UPackage * InOuter, const FPackagePath & PackagePath, unsigned int LoadFlags, FArchive * InReaderOverride, const FLinkerInstancingContext * InstancingContext, const FPackagePath * DiffPackagePath) Line 1515 C++
UnrealEditor-CoreUObject.dll!LoadPackage(UPackage * InOuter, const wchar_t * InLongPackageNameOrFilename, unsigned int LoadFlags, FArchive * InReaderOverride, const FLinkerInstancingContext * InstancingContext) Line 1495 C++
UnrealEditor-CoreUObject.dll!ResolveName(UObject * & InPackage, FString & InOutName, bool Create, bool Throw, unsigned int LoadFlags, const FLinkerInstancingContext * InstancingContext) Line 801 C++
UnrealEditor-CoreUObject.dll!StaticLoadObjectInternal(UClass * ObjectClass, UObject * InOuter, const wchar_t * InName, const wchar_t * Filename, unsigned int LoadFlags, UPackageMap * Sandbox, bool bAllowObjectReconciliation, const FLinkerInstancingContext * InstancingContext) Line 876 C++
UnrealEditor-CoreUObject.dll!StaticLoadObject(UClass * ObjectClass, UObject * InOuter, const wchar_t * InName, const wchar_t * Filename, unsigned int LoadFlags, UPackageMap * Sandbox, bool bAllowObjectReconciliation, const FLinkerInstancingContext * InstancingContext) Line 951 C++
[Inline Frame] UnrealEditor-ContentBrowserAssetDataSource.dll!LoadObject(UObject *) Line 1500 C++
[Inline Frame] UnrealEditor-ContentBrowserAssetDataSource.dll!FAssetData::GetAsset() Line 301 C++
UnrealEditor-ContentBrowserAssetDataSource.dll!ContentBrowserAssetData::EditOrPreviewAssetFileItems(TArrayView<TSharedRef<FContentBrowserAssetFileItemDataPayload const ,1> const ,int> InAssetPayloads, const bool bIsPreview) Line 294 C++
UnrealEditor-ContentBrowserAssetDataSource.dll!ContentBrowserAssetData::EditOrPreviewItems(IAssetTools * InAssetTools, const UContentBrowserDataSource * InOwnerDataSource, TArrayView<FContentBrowserItemData const ,int> InItems, const bool bIsPreview) Line 325 C++
[Inline Frame] UnrealEditor-ContentBrowserAssetDataSource.dll!ContentBrowserAssetData::EditItems(IAssetTools *) Line 330 C++
UnrealEditor-ContentBrowserAssetDataSource.dll!UContentBrowserAssetDataSource::BulkEditItems(TArrayView<FContentBrowserItemData const ,int> InItems) Line 1152 C++
[Inline Frame] UnrealEditor-ContentBrowser.dll!TConstSetBitIterator<FDefaultBitArrayAllocator>::operator++() Line 1786 C++
[Inline Frame] UnrealEditor-ContentBrowser.dll!TSparseArray<TSetElement<TTuple<UContentBrowserDataSource *,TArray<FContentBrowserItemData,TSizedDefaultAllocator<32>>>>,TSparseArrayAllocator<TSizedDefaultAllocator<32>,FDefaultBitArrayAllocator>>::TBaseIterator<0>::operator++() Line 856 C++
[Inline Frame] UnrealEditor-ContentBrowser.dll!TSet<TTuple<UContentBrowserDataSource *,TArray<FContentBrowserItemData,TSizedDefaultAllocator<32>>>,TDefaultMapHashableKeyFuncs<UContentBrowserDataSource *,TArray<FContentBrowserItemData,TSizedDefaultAllocator<32>>,0>,FDefaultSetAllocator>::TBaseIterator<0,1>::operator++() Line 1584 C++
[Inline Frame] UnrealEditor-ContentBrowser.dll!TMapBase<UContentBrowserDataSource *,TArray<FContentBrowserItemData,TSizedDefaultAllocator<32>>,FDefaultSetAllocator,TDefaultMapHashableKeyFuncs<UContentBrowserDataSource *,TArray<FContentBrowserItemData,TSizedDefaultAllocator<32>>,0>>::TBaseIterator<0,1>::operator++() Line 804 C++

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