When the user tries to open a specific project where he had unsuccessfully tried to remove a custom actor component from an actor, the editor crashes.
Oddly, even a copy of the old project that's in 4.4 crashes on opening.

Crash Reporter: [Link Removed]

UE4Editor_CoreUObject! FReferenceFinder::HandleObjectReference() + 37 bytes garbagecollection.cpp:324
UE4Editor_CoreUObject! FSimpleObjectReferenceCollectorArchive::operator<<() + 36 bytes garbagecollection.h:463
UE4Editor_CoreUObject! UObjectProperty::SerializeItem() + 55 bytes propertyobject.cpp:23
UE4Editor_CoreUObject! UStruct::SerializeBin() + 237 bytes class.cpp:662
UE4Editor_CoreUObject! UObject::SerializeScriptProperties() + 426 bytes obj.cpp:892
UE4Editor_CoreUObject! FReferenceFinder::FindReferences() + 233 bytes garbagecollection.cpp:314
UE4Editor_UnrealEd! FRegenerationHelper::ForcedLoadMembers() + 117 bytes blueprinteditorutils.cpp:623
UE4Editor_UnrealEd! FBlueprintEditorUtils::RegenerateBlueprintClass() + 246 bytes blueprinteditorutils.cpp:1063
UE4Editor_CoreUObject! ULinkerLoad::RegenerateBlueprintClass() + 960 bytes blueprintsupport.cpp:124
UE4Editor_CoreUObject! ULinkerLoad::CreateExport() + 4605 bytes linkerload.cpp:3226
UE4Editor_CoreUObject! ULinkerLoad::LoadAllObjects() + 98 bytes linkerload.cpp:2518
UE4Editor_CoreUObject! LoadPackage() + 911 bytes uobjectglobals.cpp:831

Steps to Reproduce

Unable to reproduce in house.

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Cannot Reproduce
ComponentGameplay - Blueprint
Affects Versions4.5.1
Target Fix4.8
CreatedNov 4, 2014
ResolvedMar 6, 2015
UpdatedApr 27, 2018