Crash in 4.8

Development Platform & Builds
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1

Just wanted to let you know about a crash that keeps occuring while using Blueprints and switching to another tab.

MachineId:8DB8A2D041B87A62FD9A099B221149B5
EpicAccountId:cadf0931aa3d493aa662a466e66fc52f

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

"Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:C:\Users\Owner\Downloads\UnrealEngine-4.8\UnrealEngine-4.8\Engine\Source\Runtime\Core\Public\Containers\Array.h] [

KERNELBASE
UE4Editor_Core!FOutputDeviceWindowsError::Serialize() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:95]
UE4Editor_Core!FOutputDevice::Logf__VA() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\core\private\misc\outputdevice.cpp:144]
UE4Editor_Core!FDebug::AssertFailed() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\core\private\misc\outputdevice.cpp:360]
UE4Editor_Engine!FAnimNode_StateMachine::GetStateInfo() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\animation\animnode_statemachine.cpp:231]
UE4Editor_Engine!FAnimNode_StateMachine::Update() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\animation\animnode_statemachine.cpp:290]
UE4Editor_Engine!FPoseLinkBase::Update() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\animation\animnodebase.cpp:86]
UE4Editor_Engine!FPoseLinkBase::Update() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\animation\animnodebase.cpp:86]
UE4Editor_Engine!FPoseLinkBase::Update() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\animation\animnodebase.cpp:86]
UE4Editor_Engine!FAnimNode_Slot::Update() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\animation\animnode_slot.cpp:44]
UE4Editor_Engine!FPoseLinkBase::Update() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\animation\animnodebase.cpp:86]
UE4Editor_Engine!FPoseLinkBase::Update() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\animation\animnodebase.cpp:86]
UE4Editor_Engine!FPoseLinkBase::Update() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\animation\animnodebase.cpp:86]
UE4Editor_Engine!FAnimNode_BlendListBase::Update() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\animation\animnode_blendlistbase.cpp:100]
UE4Editor_Engine!FPoseLinkBase::Update() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\animation\animnodebase.cpp:86]
UE4Editor_Engine!UAnimInstance::UpdateAnimation() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\animation\animinstance.cpp:438]
UE4Editor_Engine!USkeletalMeshComponent::TickAnimation() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:497]
UE4Editor_Engine!USkeletalMeshComponent::TickPose() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:606]
UE4Editor_Engine!USkinnedMeshComponent::TickComponent() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\components\skinnedmeshcomponent.cpp:447]
UE4Editor_Engine!USkeletalMeshComponent::TickComponent() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:618]
UE4Editor_UnrealEd!UDebugSkelMeshComponent::TickComponent() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\editor\unrealed\private\animation\debugskelmeshcomponent.cpp:717]
UE4Editor_Engine!UActorComponent::ConditionalTickComponent() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\components\actorcomponent.cpp:1081]
UE4Editor_Engine!FActorComponentTickFunction::ExecuteTick() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\components\actorcomponent.cpp:634]
UE4Editor_Engine!FTickTaskSequencer::FTickFunctionTask::DoTask() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\ticktaskmanager.cpp:113]
UE4Editor_Engine!TGraphTask::ExecuteTask() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\core\public\async\taskgraphinterfaces.h:753]
UE4Editor_Core!FTaskThread::ProcessTasks() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\core\private\async\taskgraph.cpp:430]
UE4Editor_Core!FTaskThread::ProcessTasksUntilQuit() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\core\private\async\taskgraph.cpp:273]
UE4Editor_Core!FTaskGraphImplementation::WaitUntilTasksComplete() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\core\private\async\taskgraph.cpp:991]
UE4Editor_Engine!FTaskGraphInterface::WaitUntilTaskCompletes() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\core\public\async\taskgraphinterfaces.h:192]
UE4Editor_Engine!FTickTaskSequencer::ReleaseTickGroup() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\ticktaskmanager.cpp:232]
UE4Editor_Engine!FTickTaskManager::RunTickGroup() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\ticktaskmanager.cpp:643]
UE4Editor_Engine!UWorld::RunTickGroup() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\leveltick.cpp:696]
UE4Editor_Engine!UWorld::Tick() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\engine\private\leveltick.cpp:1175]
UE4Editor_Persona!FAnimationViewportClient::Tick() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\editor\persona\private\animationeditorviewportclient.cpp:740]
UE4Editor_UnrealEd!UEditorEngine::Tick() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\editor\unrealed\private\editorengine.cpp:1378]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\editor\unrealed\private\unrealedengine.cpp:362]
UE4Editor!FEngineLoop::Tick() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\launch\private\launchengineloop.cpp:2355]
UE4Editor!GuardedMain() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\launch\private\launch.cpp:142]
UE4Editor!GuardedMainWrapper() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [c:\users\owner\downloads\unrealengine-4.8\unrealengine-4.8\engine\source\runtime\launch\private\windows\launchwindows.cpp:249]

2

Hi liondog,

Can you give us some more details on what is causing crash for you, including some exact reproduction steps? If you could also and attach log from your project after this crash occurs, we would appreciate it. You can find log in your project folder under \Saved. Thanks!

3

There other similar crash raport with FOutputDeviceWindowsError::Serialize() calling something in Kernelbase.dll

I thouth there was also 3rd raport somewhere but i lost it

4

Hey Liondog,

We haven’t heard from you in quite some time. For that reason, I must close this thread. However if you have any further questions regarding this topic, please do not hesitate to reply back. For any other questions, please post a new thread on AnswerHub.

Have a great day!

5

I’m having same problem/bug ,
Did you fix this?
When i get back home I will try what post.

6

Hi Alexarg,

In order to better assist you, I need to see your full . Please provide them to us when you’re able to. I would also suggest seeing whether or not release of 4.8.0 has fixed issue that you’re currently running in to. When this thread was originally posted, it was during preview releases of build.

Looking forward to hearing from you, thanks!