Unreal Engine Issues
Unreal Engine Issues
UInstancedStaticMeshComponentRemoveInstances crashes if called with an empty array
This looks like it can be fixed with an early-out when the passed array of indices is empty. Log:[2024.01.03-16.38.36:091][291]LogOutputDevice: Warning: Script Stack (1 frames) : /Game/BP_Crashy.B ...
InstanceData->SetInstance crash when transforming InstancedStaticMesh
UE - Graphics Features - Nov 13, 2017When updating InstanceStaticMesh transform from C++ or BP, UpdateInstanceTransform then FStaticMeshInstanceBuffer::UpdateInstanceData gets called. Sometimes InstanceData->SetInstance in FStaticMeshI ...
Crash in FMediaPlayerBase::TickPlayer in Shipping builds
Media Framework - Jul 28, 2017A crash can occur in FMediaPlayerBase::TickPlayer in Shipping builds. This is because FMediaPlayerBase::NativePlayer is not a thread-safe shared pointer. The fix is to make it ESPMode::ThreadSafe. ...
Crash when using SetSkinWeightProfile when using unlimited bone weights.
UE - Anim - Rigging - Oct 30, 2024Licensee is reporting a crash when they are calling SetSkinWeightProfile. ...
Crash when using "Convert to Variable Curve"
OLD - Anim - Jun 7, 2016Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 7 8 DECLARE_CYCLE_STAT(TEXT("AnimSeq EvalCurveData"), STAT_AnimSeq_EvalCurv ...
Game crashes when Panini projection enabled.
UE - Graphics Features - Jan 15, 2020Crash When Trying to Draw a Material to a Render Target where Source Material is using AlphaComposite + Unlit Mode
UE - Graphics Features - Feb 22, 2017The issue occurs when trying to Draw a Material to a Render Target where the source material is using AlphaComposite + Unlit mode. This is an attempt at the solution proposed by Ryan Brucks to allow ...
Blueprint Struct associations in Blueprint hierarchy causes command line cooker to crash
UE - Gameplay - Blueprint - Oct 13, 2016If a user creates a specific Blueprint hierarchy with a Blueprint struct, it can cause a issue when the Blueprint struct is being cooked. User description of Blueprint(s) and Blueprint Struct relat ...
Crash when setting Anim to "None" with URO
OLD - Anim - Aug 28, 2019A Crash can occur when setting a skeletal mesh's animation instance to None when it has Update Rate Optimizations enabled. An unverified proposed fix for this is to remove the nullptr check when ...
Crash serializing LAN query response in OnlineSessionInterfaceSteam
UE - Networking - Aug 28, 2018Server will crash in FOnlineSessionSteam::AppendSessionToPacket due to the OwningUserId being null. ...