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]