[UE4] AkComponent in a child actor

Question

Hello,

I am using UE4.15.1 with the 2016.2.2.6022 Wwise plugin.

Each time I try to package the project with a map having an actor owning a childActor component (blueprint : BP_DoorDestructibleMushroom) that has a AkComponent (AkChampiExplo) it fails. Here are the logs :

UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.04.11-08.33.12:704][  0]LogWindows:Error: === Critical error: ===
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.04.11-08.33.12:704][  0]LogWindows:Error:
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.04.11-08.33.12:704][  0]LogWindows:Error: Assertion failed: !IsUnreachable() [File:D:\Build\++UE4+Release-4.15+Compile\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp] [Line: 1144]
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.04.11-08.33.12:704][  0]LogWindows:Error: AkComponent None.None:None.ChildActor26_GEN_VARIABLE_BP_DoorDestructibleMushroom_C_CAT_8472.AkChampiExplo  Function: '/Script/AkAudio.AkComponent:UpdateGameObjectPosition'
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.04.11-08.33.12:704][  0]LogWindows:Error:
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.04.11-08.33.12:704][  0]LogWindows:Error:
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.04.11-08.33.12:705][  0]LogWindows:Error: KERNELBASE.dll!0x000000009F307788
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.04.11-08.33.12:705][  0]LogWindows:Error: UE4Editor-Core.dll!0x0000000075ED64EE
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.04.11-08.33.12:705][  0]LogWindows:Error: UE4Editor-Core.dll!0x0000000075CFCEEE
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.04.11-08.33.12:705][  0]LogWindows:Error: UE4Editor-Core.dll!0x0000000075C82729
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.04.11-08.33.12:705][  0]LogWindows:Error: UE4Editor-CoreUObject.dll!0x00000000741DA186
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.04.11-08.33.12:705][  0]LogWindows:Error: UE4Editor-AkAudio.dll!UAkComponent::UpdateGameObjectPosition()
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.04.11-08.33.12:705][  0]LogWindows:Error: UE4Editor-Engine.dll!0x000000006059B40B
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.04.11-08.33.12:705][  0]LogWindows:Error: UE4Editor-Engine.dll!0x00000000605B1CB4
...

The package doesn't fail when I put in the map the actor DoorDestructibleMushroom alone (not in a parent), so I think there is a problem with AkComponent in childActors, I achieved to reproduce the bug with another childActor owning a AkComponent.

Does anyone have an idea about this problem ?

Thank you

Answer 1

Hi, 

I have the exact same error using UE4.15.1 and Wwise integration 2016.2.2.6022.371 but my blueprint doesn't have an actor child with an AKComponent.

 

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[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:518][ 0]LogWindows:Error: begin: stack for UAT

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:518][ 0]LogWindows:Error: === Critical error: ===

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:518][ 0]LogWindows:Error:

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:518][ 0]LogWindows:Error: Assertion failed: !IsUnreachable() [File:E:\UnreaEngine-Sources\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp] [Line: 1144]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:518][ 0]LogWindows:Error: AkComponent /Game/Levels/Nano/CityNPCRoom/NPCRoom2.NPCRoom2:PersistentLevel.SequenceShadowCharacter_192.Ak Function: '/Script/AkAudio.AkComponent:UpdateGameObjectPosition'

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:519][ 0]LogWindows:Error:

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:519][ 0]LogWindows:Error:

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:519][ 0]LogWindows:Error: KERNELBASE.dll!RaiseException()

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:519][ 0]LogWindows:Error: UE4Editor-Core.dll!FOutputDeviceWindowsError::Serialize() [e:\unreaengine-sources\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:120]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:519][ 0]LogWindows:Error: UE4Editor-Core.dll!FOutputDevice::Logf__VA() [e:\unreaengine-sources\engine\source\runtime\core\private\misc\outputdevice.cpp:70]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:519][ 0]LogWindows:Error: UE4Editor-Core.dll!FDebug::AssertFailed() [e:\unreaengine-sources\engine\source\runtime\core\private\misc\assertionmacros.cpp:349]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:520][ 0]LogWindows:Error: UE4Editor-CoreUObject.dll!UObject::ProcessEvent() [e:\unreaengine-sources\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1144]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:520][ 0]LogWindows:Error: UE4Editor-AkAudio.dll!UAkComponent::UpdateGameObjectPosition()

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:520][ 0]LogWindows:Error: UE4Editor-Engine.dll!USceneComponent::PropagateTransformUpdate() [e:\unreaengine-sources\engine\source\runtime\engine\private\components\scenecomponent.cpp:648]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:520][ 0]LogWindows:Error: UE4Editor-Engine.dll!USceneComponent::UpdateComponentToWorldWithParent() [e:\unreaengine-sources\engine\source\runtime\engine\private\components\scenecomponent.cpp:553]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:520][ 0]LogWindows:Error: UE4Editor-Engine.dll!USceneComponent::UpdateComponentToWorld() [e:\unreaengine-sources\engine\source\runtime\engine\classes\components\scenecomponent.h:787]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:521][ 0]LogWindows:Error: UE4Editor-Engine.dll!USceneComponent::UpdateChildTransforms() [e:\unreaengine-sources\engine\source\runtime\engine\private\components\scenecomponent.cpp:2145]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:521][ 0]LogWindows:Error: UE4Editor-Engine.dll!USceneComponent::PropagateTransformUpdate() [e:\unreaengine-sources\engine\source\runtime\engine\private\components\scenecomponent.cpp:667]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:521][ 0]LogWindows:Error: UE4Editor-Engine.dll!USceneComponent::UpdateComponentToWorldWithParent() [e:\unreaengine-sources\engine\source\runtime\engine\private\components\scenecomponent.cpp:553]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:521][ 0]LogWindows:Error: UE4Editor-Engine.dll!USceneComponent::UpdateComponentToWorld() [e:\unreaengine-sources\engine\source\runtime\engine\classes\components\scenecomponent.h:787]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:521][ 0]LogWindows:Error: UE4Editor-Engine.dll!USceneComponent::UpdateChildTransforms() [e:\unreaengine-sources\engine\source\runtime\engine\private\components\scenecomponent.cpp:2145]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:521][ 0]LogWindows:Error: UE4Editor-Engine.dll!USceneComponent::PropagateTransformUpdate() [e:\unreaengine-sources\engine\source\runtime\engine\private\components\scenecomponent.cpp:667]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:522][ 0]LogWindows:Error: UE4Editor-Engine.dll!USceneComponent::UpdateComponentToWorldWithParent() [e:\unreaengine-sources\engine\source\runtime\engine\private\components\scenecomponent.cpp:553]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:522][ 0]LogWindows:Error: UE4Editor-Engine.dll!USceneComponent::UpdateComponentToWorld() [e:\unreaengine-sources\engine\source\runtime\engine\classes\components\scenecomponent.h:787]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:522][ 0]LogWindows:Error: UE4Editor-Engine.dll!USceneComponent::DetachFromComponent() [e:\unreaengine-sources\engine\source\runtime\engine\private\components\scenecomponent.cpp:2014]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:522][ 0]LogWindows:Error: UE4Editor-Engine.dll!USceneComponent::AttachToComponent() [e:\unreaengine-sources\engine\source\runtime\engine\private\components\scenecomponent.cpp:1726]

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:525][ 0]LogWindows:Error: ntdll.dll!RtlUserThreadStart()

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:525][ 0]LogWindows:Error: ntdll.dll!RtlUserThreadStart()

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:526][ 0]LogWindows:Error:

[10:28:32][Step 4/4] UE4Editor-Cmd: [2017.04.12-14.28.32:526][ 0]LogWindows:Error: end: stack for UAT
 

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Answer 2

Please see my comment in the following thread :

https://www.audiokinetic.com/qa/3484/upgrading-getting-assertion-isunreachable-component-correct