My editor crashes when spawning my spell system blueprint into the world. here is the crash report:
MachineId:3244333B40FC16FBE8CD86B6A62E0800
EpicAccountId:2e324e82c18f473f8831fdbb03db2339
Assertion failed: (uint32)NumIndices <= 65535 [File:D:\Build\++UE4+Release-4.12+Compile\Sync\Engine\Source\Runtime\Engine\Private\Particles\ParticleSystemRender.cpp] [Line: 503]
UE4Editor_Core!FDebug::AssertFailed() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\misc\outputdevice.cpp:440]
UE4Editor_Engine!FDynamicSpriteEmitterDataBase::BuildViewFillData() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\particles\particlesystemrender.cpp:504]
UE4Editor_Engine!FDynamicBeam2EmitterData::GetDynamicMeshElementsEmitter() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\particles\particlesystemrender.cpp:2578]
UE4Editor_Engine!FParticleSystemSceneProxy::GetDynamicMeshElements() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\particles\particlesystemrender.cpp:6725]
UE4Editor_Renderer!FSceneRenderer::GatherDynamicMeshElements() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\renderer\private\scenevisibility.cpp:1894]
UE4Editor_Renderer!FSceneRenderer::ComputeViewVisibility() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\renderer\private\scenevisibility.cpp:2562]
UE4Editor_Renderer!FDeferredShadingSceneRenderer::InitViews() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\renderer\private\scenevisibility.cpp:2795]
UE4Editor_Renderer!FDeferredShadingSceneRenderer::Render() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\renderer\private\deferredshadingrenderer.cpp:870]
UE4Editor_Renderer!RenderViewFamily_RenderThread() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\renderer\private\scenerendering.cpp:1931]
UE4Editor_Renderer!TGraphTask<`FRendererModule::BeginRenderingViewFamily'::`25'::EURCMacro_FDrawSceneCommand>::ExecuteTask() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\public\async\taskgraphinterfaces.h:999]
UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\async\taskgraph.cpp:932]
UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\async\taskgraph.cpp:679]
UE4Editor_RenderCore!RenderingThreadMain() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\rendercore\private\renderingthread.cpp:319]
UE4Editor_RenderCore!FRenderingThread::Run() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\rendercore\private\renderingthread.cpp:440]
UE4Editor_Core!FRunnableThreadWin::Run() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:74]