Description

Crash when Child Actor Component, that is set to Destroy Other Actor on overlap, overlaps Parent static mesh inside of the blueprint editor

Crash Reporter:

[Link Removed]

Steps to Reproduce

1. Open the attached project
2. Open blueprint 'BP2'
3. Open the Viewport tab
4. Drag the Static Mesh cube into the Collision Box

Results: The editor will crash because the child actor component is destroying the parent bp

Expected: Although this isn't the correct way to accomplish what the user is trying to do, we may want to handle this as an error rather than just crashing

Callstack

MachineId:DE189244480D3CD0F8CA729A02DD38A6
EpicAccountId:75f47e038a8442f0af6c18e1f38eeb85

Unknown exception - code 00000001 (first/second chance not available)

"Assertion failed: bRegistered [Link Removed] [Line: 1040]
Failed to

UE4Editor_Core!FDebug::AssertFailed() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\core\private\misc\outputdevice.cpp:354]
UE4Editor_Engine!UActorComponent::ExecuteRegisterEvents() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\components\actorcomponent.cpp:1040]
UE4Editor_Engine!UActorComponent::RegisterComponentWithWorld() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\components\actorcomponent.cpp:825]
UE4Editor_Engine!UActorComponent::RegisterComponent() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\components\actorcomponent.cpp:868]
UE4Editor_Engine!`anonymous namespace'::RegisterInstancedComponent() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\simpleconstructionscript.cpp:29]
UE4Editor_Engine!`anonymous namespace'::RegisterInstancedComponent() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\simpleconstructionscript.cpp:34]
UE4Editor_Engine!USimpleConstructionScript::ExecuteScriptOnActor() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\simpleconstructionscript.cpp:548]
UE4Editor_Engine!AActor::ExecuteConstruction() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\actorconstruction.cpp:466]
UE4Editor_Engine!AActor::RerunConstructionScripts() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\actorconstruction.cpp:366]
UE4Editor_Kismet!FSCSEditorViewportClient::InputWidgetDelta() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\editor\kismet\private\scseditorviewportclient.cpp:432]
UE4Editor_UnrealEd!FEditorViewportClient::UpdateMouseDelta() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\editor\unrealed\private\editorviewportclient.cpp:1801]
UE4Editor_UnrealEd!FEditorViewportClient::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\editor\unrealed\private\editorviewportclient.cpp:948]
UE4Editor_Kismet!FSCSEditorViewportClient::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\editor\kismet\private\scseditorviewportclient.cpp:165]
UE4Editor_UnrealEd!UEditorEngine::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\editor\unrealed\private\editorengine.cpp:1407]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\editor\unrealed\private\unrealedengine.cpp:366]
UE4Editor!FEngineLoop::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\launch\private\launchengineloop.cpp:2428]
UE4Editor!GuardedMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\launch\private\launch.cpp:142]
UE4Editor!GuardedMainWrapper() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]

Community References

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Fixed
ComponentUE - Gameplay
Affects Versions4.9.1
Target Fix4.11
Fix Commit2784906
Main Commit2787214
CreatedSep 21, 2015
ResolvedDec 1, 2015
UpdatedApr 27, 2018