Unreal Engine Issues

Fbx scene importer: memory corruption

[CrashReport] <unknown module>!UE4Editor_DatasmithImporter!FDatasmithStaticMeshImporter::BuildStaticMesh()

User comments in crash group:Importing CAD through Datasmith, assembly 1109323-00-AImporting .catproduct assembly: whole vehicle door ...

[CrashReport] UE4Editor_Engine!FHLSLMaterialTranslator::GetParameterUniformExpression() [hlslmaterialtranslator.h:1671]

This is a top trending crash in the 4.16 release. This may be a regression from 4.15. Additional information is currently unknown. Users have not provided any details. ...

[CrashReport] UE4Editor_UdpMessaging!FUdpMessageProcessor::HandleSerializedMessageStateChanged() [udpmessageprocessor.cpp:548]

This is a common and longstanding crash that has occurred since at least 4.11. User DescriptionsI was just sitting around and it autosaved no source context available ...

[CrashReport] UE4Editor_Engine!FHierarchicalStaticMeshSceneProxy::GetDynamicMeshElements() hierarchicalinstancedstaticmesh.cpp:1431

Currently no user comments on crashreporter Similar issue crashing in landscape file: [Link Removed] Logged this issue separately but wanted to provide that information. ...

Copied and Pasted tracks do not persist between editor session in UMG Sequencer

Copied and Pasted tracks do not persist between editor session in UMG Sequencer Outside of //UE4/Dev-Sequencer this will result in a crash: [Link Removed] ...

New VR-Basic level triggers Metal validation layer assertion

This was discovered externally and reported on UDN here: https://udn.unrealengine.com/questions/563268/mac-editor-crash-when-disable-ambient-occlusion.html ...

[CrashReport] UE4Editor-MovieSceneTracks!UMovieSceneComponentMobilitySystem::RestorePreAnimatedState

[CrashReport] UE4Editor-MovieSceneTracks!UMovieSceneComponentMobilitySystem::RestorePreAnimatedState(IMovieScenePreAnimatedStateSystemInterface::FPreAnimationParameters const &) [MovieSceneComponent ...

Opening Montage hangs UE4Editor

Editor experiences an unrecoverable hang when placing the user's Montage into a Third Person Blueprint Project and opening the montage after retargeting to the current skeleton. Attached Log from P ...

[CrashReport] UE4Editor_Engine!FAVIWriterWin::Initialize() [aviwriter.cpp:239]

Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 224 225 hr = Graph->AddFilter(CaptureFilter, L"Capture"); 226 if ...