Unreal Engine Issues

UE-62139

[CrashReport] UE4Editor_VREditor!AFloatingText::AFloatingText() [vreditorfloatingtext.cpp:99]

[CrashReport] UE4Editor_VREditor!AFloatingText::AFloatingText() [vreditorfloatingtext.cpp:99]

Description

UPDATE
This crash occurs when compiling shaders with a Floating Text asset in the level. Following the repro steps given above, the crash occurs each time opening the editor after forcing shaders to recompile.

ORIGINAL
User comment in crash group:

  • Open a project.
   98 ***** 	MaskedTextMaterial = AssetContainer.TextMaterial;
   99       	check(MaskedTextMaterial != nullptr);
  100       
  101       	TranslucentTextMaterial = AssetContainer.TranslucentTextMaterial;
  102       	check(TranslucentTextMaterial != nullptr);
  103       
  104       	{
  105       		TextComponent = CreateDefaultSubobject<UTextRenderComponent>( TEXT( "Text" ) );
  106       		check( TextComponent != nullptr );
  107       
  108       		TextComponent->SetMobility( EComponentMobility::Movable );
  109       		TextComponent->SetupAttachment( SceneComponent );
  110       
  111       		TextComponent->SetCollisionProfileName( UCollisionProfile::NoCollision_ProfileName );
  112       
  113       		TextComponent->SetGenerateOverlapEvents(false);
Steps to Reproduce
  1. Create a new Blueprint First Person template project
  2. Add a Floating Text asset to the level
  3. Click the Save icon in the main toolbar to save the current level
  4. Press the ~ key to bring up the command window
  5. Enter the following command to force the editor to recompile shaders next time it opens: 
    r.InvalidateCachedShaders 1
  6. Close the editor
  7. Reopen the project in editor

Expected Result
The editor opens successfully with no errors or warnings encountered

Actual Result
The editor crashes around 90% when trying to reopen the project and cannot be opened

Callstack
Assertion failed: LineMaterial != nullptr [File:D:\Build\++UE4\Sync\Engine\Source\Editor\VREditor\VREditorFloatingText.cpp] [Line: 97]

UE4Editor_VREditor!AFloatingText::AFloatingText() [vreditorfloatingtext.cpp:99]
UE4Editor_CoreUObject!StaticConstructObject_Internal() [uobjectglobals.cpp:3156]
UE4Editor_CoreUObject!FLinkerLoad::CreateExport() [linkerload.cpp:4127]
UE4Editor_CoreUObject!FLinkerLoad::CreateExportAndPreload() [linkerload.cpp:2925]
UE4Editor_CoreUObject!FLinkerLoad::LoadAllObjects() [linkerload.cpp:3087]
UE4Editor_CoreUObject!LoadPackageInternal() [uobjectglobals.cpp:1364]
UE4Editor_CoreUObject!LoadPackage() [uobjectglobals.cpp:1471]
UE4Editor_UnrealEd!UEditorEngine::Map_Load() [editorserver.cpp:2511]
UE4Editor_UnrealEd!UEditorEngine::HandleMapCommand() [editorserver.cpp:5992]
UE4Editor_UnrealEd!UEditorEngine::Exec() [editorserver.cpp:5469]
UE4Editor_UnrealEd!UUnrealEdEngine::Exec() [unrealedsrv.cpp:696]
UE4Editor_UnrealEd!FEditorFileUtils::LoadMap() [filehelpers.cpp:2355]
UE4Editor_UnrealEd!FEditorFileUtils::LoadDefaultMapAtStartup() [filehelpers.cpp:3721]
UE4Editor_UnrealEd!FUnrealEdMisc::OnInit() [unrealedmisc.cpp:348]
UE4Editor_UnrealEd!EditorInit() [unrealedglobals.cpp:97]
UE4Editor!GuardedMain() [launch.cpp:150]
UE4Editor!GuardedMainWrapper() [launchwindows.cpp:144]
UE4Editor!WinMain() [launchwindows.cpp:223]
UE4Editor!__scrt_common_main_seh() [exe_common.inl:283]
kernel32!BaseThreadInitThunk()
ntdll!RtlUserThreadStart()

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Fixed
ComponentUE - Editor - Workflow Systems
Affects Versions4.20, 4.20.1
Target Fix4.21
Fix Commit4244067
Main Commit4329255
Release Commit4399518
CreatedJul 25, 2018
ResolvedJul 31, 2018
UpdatedJan 19, 2024
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