Crash when Playing in Mobile Preview with Capsule Direct Shadows

When Capsule Direct Shadows are enable, attempting to play in Mobile Preview will cause the preview to crash.

1. Create a new Third Person Blueprint Template
2. In the World Outliner, search for and select ThirdPersonCharacter
3. In the Details panel, under Lighting, check the box for Capsule Direct Shadows
4. Under the Play dropdown, select Mobile Preview

Expected result: Mobile preview should launch

Outcome: Crash

MachineId:2B175287412640A147DEF395BAA49DE9
EpicAccountId:9de9a5c85865483188f562671ebefc58

Assertion failed: ColorTargets.Num() > 0 [Link Removed] [Line: 651]

UE4Editor_Core!FDebug::AssertFailed() [d:\mainworkspace\engine\source\runtime\core\private\misc\outputdevice.cpp:421]
UE4Editor_Renderer!FShadowMapRenderTargets::GetSize() [d:\mainworkspace\engine\source\runtime\renderer\private\shadowrendering.h:652]
UE4Editor_Renderer!FViewInfo::CreateUniformBuffer() [d:\mainworkspace\engine\source\runtime\renderer\private\scenerendering.cpp:758]
UE4Editor_Renderer!FViewInfo::InitRHIResources() [d:\mainworkspace\engine\source\runtime\renderer\private\scenerendering.cpp:1086]
UE4Editor_Renderer!FMobileSceneRenderer::InitViews() [d:\mainworkspace\engine\source\runtime\renderer\private\mobileshadingrenderer.cpp:60]
UE4Editor_Renderer!FMobileSceneRenderer::Render() [d:\mainworkspace\engine\source\runtime\renderer\private\mobileshadingrenderer.cpp:116]
UE4Editor_Renderer!RenderViewFamily_RenderThread() [d:\mainworkspace\engine\source\runtime\renderer\private\scenerendering.cpp:1885]
UE4Editor_Renderer!TGraphTask<`FRendererModule::BeginRenderingViewFamily'::`21'::EURCMacro_FDrawSceneCommand>::ExecuteTask() [d:\mainworkspace\engine\source\runtime\core\public\async\taskgraphinterfaces.h:868]
UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() [d:\mainworkspace\engine\source\runtime\core\private\async\taskgraph.cpp:932]
UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() [d:\mainworkspace\engine\source\runtime\core\private\async\taskgraph.cpp:679]
UE4Editor_RenderCore!RenderingThreadMain() [d:\mainworkspace\engine\source\runtime\rendercore\private\renderingthread.cpp:319]
UE4Editor_RenderCore!FRenderingThread::Run() [d:\mainworkspace\engine\source\runtime\rendercore\private\renderingthread.cpp:440]
UE4Editor_Core!FRunnableThreadWin::Run() [d:\mainworkspace\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:74]