Unreal Engine Issues
Unreal Engine Issues
Launching multiple Editor processes in UE 5.5 can throw warnings due to USD Core plugin initialization
UE - Editor - Content Pipeline - USD - Apr 23, 2025Launching multiple Editor processes at the same time with the USD Core plugin enabled can cause warnings to be logged like the following:LogUsd: Warning: Failed to update LibraryPath for USD plugInf ...
[CrashReport] UE4Editor_Engine!FAnimCurveBase::SetCurveTypeFlag() [animcurvetypes.cpp:18]
OLD - Anim - Jun 13, 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: Access violation - code c0000005 ( ...
Target Rotation of Physics Handle doesn't register and can't be manipulated on tick
UE - Gameplay - May 26, 2016Target Rotation of Physics Handle doesn't register and can't be manipulated on tick User Description: I mentioned some versions before that rotation of Physics Handles is broken and now it is even ...
Static Mesh approximate size can be inconsistent between Content Browser and Static Mesh Editor
Tools - May 3, 2017The approximate size for a Static Mesh that is shown in the tooltip from hovering over a Static Mesh in the Content Browser and the approximate size shown in the Static Mesh Editor can be inconsiste ...
Landscape BP Brushes in WP map causes changelist validation to fail
UE - Graphics Tools - Terrain - Landscape - May 13, 2022Using a Landscape BP brush in a WP map causes SCC validation to fail: [2022.05.13-09.04.47:880][473]SourceControl: Error: Changelist validation failed! [2022.05.13-09.04.47:881][473]SourceControl: ...
UEnhancedInputUserSettings::LoadOrCreateSettings does not handle the changing of a settings class in the editor
UE - Gameplay - Input - Jun 3, 2024proposed fix seems ok to me: UEnhancedInputUserSettings* UEnhancedInputUserSettings::LoadOrCreateSettings(ULocalPlayer* LocalPlayer) { UEnhancedInputUserSettings* Settings = nullptr; ...
[CrashReport] PhysX3PROFILE_x64!physx::Sc::BodySim::activateInteractions() [scbodysim.cpp:496]
UE - Simulation - Physics - Jul 19, 2017This is a common crash affecting users in 4.16. The callstack is very similar to [Link Removed], which has previously been fixed. User DescriptionsTesting destruction of generated destructables. T ...
[CrashReport] UE4Editor_AssetRegistry!FPackageReader::operator<<() [packagereader.cpp:479]
UE - Foundation - Core - Aug 21, 2017This is a regular and longstanding crash that has occurred since at least the 4.14 release. The majority of the crashes occur on non-vanilla builds, although there have been a few vanilla crashes. ...
Current animation asset is lost in animation preview when a post process anim BP is compiled
UE - Anim - Runtime - Anim Blueprints - Aug 3, 2020UDebugSkelMeshComponent and PreviewInstance are lost current animation asset. There are 2 ways to fix below void UDebugSkelMeshComponent::InitAnim(bool bForceReinit) { // If we already have Pre ...
ISequencer::OnPlayEvent does NOT fire at the end of playback in Sequencer editor
UE - Anim - Sequencer - Jul 8, 2022ISequencer :: OnStopEvent is executed when pause, but not when playing to the last frame and stopping automatically. This is because OnStopDelegate.Broadcast(); is only in FSequencer::Pause(). When ...