Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Assertion failed: !PinRef->bWasTrashed - UEdGraphPin::SerializePin()
UE - Gameplay - Blueprint - Sep 8, 2017This is a common and longstanding crash that has affected more than 200 users since at least 4.15. This crashGroup was previously associated with [Link Removed], but that specific repro case has be ...
Unable to open editor after updating to latest AMD driver
UE - Graphics Features - Oct 30, 2017After updating to Radeon Software 17.10.3 I can no longer open the editor. This has been seen on both a R9 390X and a R9 290. If I use AMD's Auto-detect software it's recommended version is 17.7.2 ...
VSCode finds intellisense errors in Project source files: cannot open source file "UBT_COMPILED_PLATFORM/UBT_COMPILED_PLATFORMPlatformCompilerPreSetup.h"
UE - Foundation - Cpp Tools - Jan 28, 2020VSCode finds intellisense errors in Project source files: cannot open source file "UBT_COMPILED_PLATFORM/UBT_COMPILED_PLATFORMPlatformCompilerPreSetup.h" Similar to [Link Removed], but that was onl ...
Datasmith Metadata returned as empty array on Python Import
UE - Editor - Content Pipeline - Datasmith - Importer - Oct 27, 2020Metadata information seems to not be available on import. A user has reported that this was working before but I was able to reproduce the issue in //UE4/Release-4.24 cl 11590370 I am currently lis ...
Artifacts in imported GLB and GLTF files
TM - Interoperability - Mar 10, 2025Reported in SF [Link Removed] Client reports that many of their GLB and GLTF files they use appear with visual artifacts when imported to Twinmotion. These artifacts only appear in Twinmotion and n ...
Cannot paint landscape layers onto tiled landscapes
UE - LD & Modeling - Terrain - Landscape - Jun 30, 2015paint layers do not take effect on all tiled layers that have a material incorporated if a user attempts to paint on them from the persistent level. ...
[CrashReport] FBlueprintEditor::OnRemoveExecutionPin()
UE - Gameplay - Blueprint Editor - Jul 14, 2017This is a common crash affecting users on Mac and Windows. User Descriptionsremoving empty execution pins from sequence node Source Context 3952 void FBlueprintEditor::OnRemoveExecution ...
Bandwidth usage of USceneComponent::RelativeLocation is too high
UE - Networking - Jun 22, 2017USceneComponent::RelativeLocation is an uncompressed FVector (3x32 bits replicated). Consider changing to FVector_NetQuantize100, or consider implementing custom serialization (with customizable qua ...
[CrashReport] UE4Editor_Landscape!ALandscapeProxy::CreateLandscapeInfo() [landscape.cpp:752]
UE - LD & Modeling - Terrain - Landscape - Jul 14, 2017This is a common crash affecting users through 4.14 to 4.16. Users have not provided any descriptions. Source Context 740 #if WITH_EDITOR 741 ULandscapeInfo* ALandscapeProxy::Creat ...
[CrashReport] ULevel::GetWorldSettings - UMaterialFunctionThumbnailRenderer::Draw
Tools - Oct 30, 2017This is a common crash that has occurred since at least 4.16. The callstack is nearly identical to [Link Removed], which appears to be fixed in 4.18; and [Link Removed], which has not. The differen ...