How to create component Dynamicly in 4.8?

Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.8\Engine\Source\Runtime\Core\Public\Containers\Array.h] [Line: 678]
Array index out of bounds: 0 from an array of size 0

KERNELBASE.dll {0x00007ff977028b9c} + 0 bytes
UE4Editor-Core.dll!FOutputDeviceWindowsError::Serialize() {0x00007ff95c747c0f} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Core.dll!FOutputDevice::Logf__VA() {0x00007ff95c6010b8} + 159 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Core.dll!FDebug::AssertFailed() {0x00007ff95c5d1e72} + 65 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!USceneComponent::OnComponentDestroyed() {0x00007ff950a0242d} + 141 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UActorComponent::BeginDestroy() {0x00007ff9508f7608} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UPrimitiveComponent::BeginDestroy() {0x00007ff95096b82e} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!UObject::ConditionalBeginDestroy() {0x00007ff95c0a9264} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!CollectGarbageInternal() {0x00007ff95c0a8bf8} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!CollectGarbage() {0x00007ff95c0a8315} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou

Today when I first play the game not crashed,and in the second time it crashed when I exit.