Submitted by a licensee on UDN. I verified it and have attached the test level that he provided.
In the test map. some boxes fall and break. Walking straight into the boxes causes the editor to crash.
1. Open attached project
2. Play the level
3. Destructible boxes fall in front of you
4. Push W key to walk straight into the boxes
*Crashed every time I tried it, but licensee said once in a while it doesn't, so might take more than one try
Fatal error!
Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffff
UE4Editor-Engine.dll!FBodyInstance::GetAllShapes_AssumesLocked() {0x000007fedebeaec8} + 3 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!<lambda_d862ad66b20c43db59d9bc9dbd9295b3>::operator()() {0x000007fedebca8d8} + 12 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!FBodyInstance::ExecuteOnPhysicsReadWrite() {0x000007fedebe6150} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!FBodyInstance::UpdatePhysicsShapeFilterData() {0x000007fedec0a0e4} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!FBodyInstance::UpdatePhysicsFilterData() {0x000007fedec09e90} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UPrimitiveComponent::execSetCollisionObjectType() {0x000007feddcb048d} + 109 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!UFunction::Invoke() {0x000007fef56a4b14} + 15 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!UObject::CallFunction() {0x000007fef57a5f2a} + 21 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!UObject::ProcessContextOpcode() {0x000007fef57cd96d} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!UObject::ProcessInternal() {0x000007fef57cf60c} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!UObject::CallFunction() {0x000007fef57a692b} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!UObject::ProcessInternal() {0x000007fef57cf60c} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!UFunction::Invoke() {0x000007fef56a4b14} + 15 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!UObject::ProcessEvent() {0x000007fef57ceb4e} + 29 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!AActor::ProcessEvent() {0x000007feddd6c3c1} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!TMulticastScriptDelegate<FWeakObjectPtr>::ProcessMulticastDelegate<UObject>() {0x000007feddcd6394} + 21 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!FComponentBeginOverlapSignature_DelegateWrapper() {0x000007fede8bf1fd} + 317 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UPrimitiveComponent::BeginComponentOverlap() {0x000007fede8ab67f} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UPrimitiveComponent::UpdateOverlaps() {0x000007fede8f51fd} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UPrimitiveComponent::MoveComponentImpl() {0x000007fede8dfb81} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UMovementComponent::MoveUpdatedComponentImpl() {0x000007fede8dfeab} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UMovementComponent::SafeMoveUpdatedComponent() {0x000007fede8eaea7} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UFloatingPawnMovement::TickComponent() {0x000007feddf6aa67} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UActorComponent::ConditionalTickComponent() {0x000007fede8450bf} + 22 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!FActorComponentTickFunction::ExecuteTick() {0x000007fede84e5a2} + 19 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!FTickTaskSequencer::FTickFunctionTask::DoTask() {0x000007fede529535} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!TGraphTask<FTickTaskSequencer::FTickFunctionTask>::ExecuteTask() {0x000007fede53b20f} + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Core.dll!FTaskThread::ProcessTasks() {0x000007fee55c651e} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Core.dll!FTaskThread::ProcessTasksUntilQuit() {0x000007fee55c674d} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Core.dll!FTaskGraphImplementation::WaitUntilTasksComplete() {0x000007fee55ebc02} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!FTaskGraphInterface::WaitUntilTaskCompletes() {0x000007fede59bc80} + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!FTickTaskSequencer::ReleaseTickGroup() {0x000007fede57d2ac} + 180 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!FTickTaskManager::RunTickGroup() {0x000007fede58a1a9} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UWorld::RunTickGroup() {0x000007fede1c0f24} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UWorld::Tick() {0x000007fede1c7bc6} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-UnrealEd.dll!UEditorEngine::Tick() {0x000007feda2e735c} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-UnrealEd.dll!UUnrealEdEngine::Tick() {0x000007feda7a87d6} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!FEngineLoop::Tick() {0x000000013fb142d1} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!GuardedMain() {0x000000013fb049cc} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!GuardedMainWrapper() {0x000000013fb04a4a} + 5 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!WinMain() {0x000000013fb165c9} + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!__tmainCRTStartup() {0x000000013fb175d9} + 21 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]
kernel32.dll {0x0000000076b2652d} + 0 bytes
ntdll.dll {0x0000000076d5c521} + 0 bytes
ntdll.dll {0x0000000076d5c521} + 0 bytes
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-20199 in the post.
| 0 | 
| Component | UE - Simulation - Physics - Destruction | 
|---|---|
| Target Fix | 4.17 | 
| Created | Aug 20, 2015 | 
|---|---|
| Resolved | Jun 21, 2017 | 
| Updated | Apr 27, 2018 |