Unreal Engine Issues and Bug Tracker (UE-37429)

Questions & Answers

Description

If SpawnActor is used with a class of an existing Actor that has a Procedural Mesh, the game will crash.

Steps to Reproduce

Download attached project and extract
Right click .uproject and generate Visual Studio files
Open .sln and debug as Development Editor
Open "main" map, if not already opened
PIE

RESULT:

Spawner will use BP_ProceduralCube as template for SpawnActor causing crash.

EXPECTED:

Spawner can use BP_ProceduralCube as template for SpawnActor.

Callstack

 	00000000262f0940()	Unknown
>	UE4Editor-Engine.dll!DeferredPhysResourceCleanup() Line 556	C++
 	UE4Editor-Engine.dll!UWorld::SetupPhysicsTickFunctions(float DeltaSeconds) Line 142	C++
 	UE4Editor-Engine.dll!UWorld::Tick(ELevelTick TickType, float DeltaSeconds) Line 1269	C++
 	UE4Editor-UnrealEd.dll!UEditorEngine::Tick(float DeltaSeconds, bool bIdleMode) Line 1408	C++
 	UE4Editor-UnrealEd.dll!UUnrealEdEngine::Tick(float DeltaSeconds, bool bIdleMode) Line 371	C++
 	UE4Editor.exe!FEngineLoop::Tick() Line 2834	C++
 	UE4Editor.exe!GuardedMain(const wchar_t * CmdLine, HINSTANCE__ * hInInstance, HINSTANCE__ * hPrevInstance, int nCmdShow) Line 156	C++
 	UE4Editor.exe!WinMain(HINSTANCE__ * hInInstance, HINSTANCE__ * hPrevInstance, char * __formal, int nCmdShow) Line 191	C++
 	[External Code]

Community References

Crash spawning actor from template

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Fixed

Component	UE - Gameplay
Affects Versions	4.13.1
Target Fix	4.14

Fix Commit	3166315
Release Commit	3166315

Created	Oct 17, 2016
Resolved	Oct 18, 2016
Updated	Apr 27, 2018

UE-37429

Spawning Actor from existing Actor which has a procedural mesh causes crash.

Spawning Actor from existing Actor which has a procedural mesh causes crash.

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