Unreal Engine Issues
Unreal Engine Issues
Surface snapping attached actors cause unexpected behavior
Tools - May 17, 2019Surface snapping causes erratic changes in scale to StaticMeshActors that have children of the same type. The user also has provided a potential solution to this bug (Please see the code below. N ...
In Sequencer, copying a Missing/Invalid Bound Object to a track may crash the Editor with an Unhandled Exception at UExporter::FindExporter()
UE - Anim - Sequencer - Jun 26, 2025In Sequencer, copying a Missing/Invalid Bound Object to a track may crash the Editor with an Unhandled Exception at UExporter::FindExporter(). The licensee has provided a txt file that contains the ...
Crash in FNetGUIDCache::GetObjectFromNetGUID()
UE - Networking - Jun 28, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: Package->IsFullyLoaded() [Link Removed] [Line: 2296] Source ...
Content is Missing from Cook and indeterminism: StaticMeshComponents in Blueprints that copy data into themselves from StaticMesh have indeterminism due to StaticMesh not yet finished loading, postloading, or building
UE - Foundation - Nov 12, 2025Content is Missing from Cook warnings are warnings reported at the end of cook phase of a project's data build. They report that data used by a cooked package will not be available at runtime. This ...
[CrashReport] UE4Editor_UnrealEd!EditorLevelUtils::SetLevelVisibility() [editorlevelutils.cpp:748]
Tools - Aug 16, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: Level->bIsVisibl ...
Crash in FStreamingTextureLevelContext::GetBuildDataIndexRef
UE - Graphics Features - Feb 20, 2017Error message: Assertion failed: BoundState.Texture == nullptr || BoundState.Texture == Texture2D [Link Removed] [Line: 371] Source Context: 358 if (LevelIndex) // If the index is found ...
[CrashReport] UE4Editor_AssetRegistry!FAssetRegistry::GetSubClasses() [assetregistry.cpp:2803]
UE - Gameplay - Blueprint - Jan 31, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...
[CrashReport] UE4Editor_Slate!FSlateApplication::GetNavigationDirectionFromAnalog() [slateapplication.cpp:2001]
UE - Editor - UI Systems - Slate - Oct 27, 2017This is a trending crash coming out of the 4.18 release. A number of the affected projects appear related to VR. User DescriptionsI was trying to use the SteamVR preview for Windows MR headsetI j ...
Look at Android GetTimeStamp local file handling
UE - Platform - Mobile - May 29, 2020Only files in UFS or NonUFS manifest that are local are returning a non-minvalue timestamp. While this is expected it is causing issues with logging file handling. See: https://udn.unrealengine.co ...
[CrashReport] UE4Editor_Core!FWindowsWindow::Initialize() [windowswindow.cpp:199]
Tools - Mar 1, 2017Error message: Assertion failed: 0 [Link Removed] [Line: 199] Window Creation Failed (1158) Source Context: 184 VirtualHeight = ClientHeight; 185 186 // We call reshape w ...