Unreal Engine Issues
Unreal Engine Issues
Material containing null expressions crashes when launching the editor with the -Game flag
UE - Rendering Architecture - Materials - Nov 23, 2023This comes from a UDN report. [Link Removed] When launching the editor with -game, if a material contains a null expression (for instance because that material expression has been removed), the bin ...
Crash when double clicking on RowStruct's CurveEditor
UE - Editor - Applied Usability - Mar 15, 2024This problem can be reproduced with UE5.3 even after applying fix [Link Removed]. We have verified this issue with UE5.1 and it is not reproduced. ...
Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask
UE - LD & Modeling - Terrain - Landscape - Aug 10, 2016Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask. Frequency: 3/3 ...
[CrashReport] Linux crash - /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so()
UE - Platform - Linux - Nov 16, 2017This is a new Linux crash in 4.18.1. There are a few similar but different callstacks that reference dri/radeonsi_dri.so() I've attached a log, but none of the ones I've looked at appear to contai ...
Asset toolkit can crash because the toolkit host IsEnabled_Lambda capture a raw UObject pointer
UE - Editor - Content Pipeline - Asset Build - Jan 5, 2023We must capture weak pointer instead of a raw pointer ...
ActorPositionWS Material BP node can crash when used in Post Process material
UE - Graphics Features - Oct 17, 2016The ActorPositionWS BP node calls GetActorWorldPosition() in HLSL which references Primitive.ActorWorldPosition. But GetActorWorldPosition() is not protected by an #if HAS_PRIMITIVE_UNIFORM_BUFFER ...
Crash (Assertion failed "SystemInstanceController->IsSolo()") when enabling "Start with Tick Enabled" on a Niagara Component
UE - Niagara - Oct 17, 2024Currently, Niagara Components are only expected to have their TickComponent() method called when their system is marked as "Solo", which makes them be simulated individually. In the most common scen ...
Packaging a Project with Blueprint Nativization Requires Crash Reporter Client to be Build for Shipping
UE - Gameplay - Blueprint Runtime - Feb 16, 2017Packaging a project in 4.15 from Github will fail if you don't have Crash Reporter Client built for Shipping. If no Nativization options are enabled, it packages fine, without having to build CRC. ...
[CrashReport] Commandlet crash - UE4Editor_Engine!FAnimationUtils::CompressAnimSequenceExplicit() [animationutils.cpp:621]
OLD - Anim - Sep 7, 2017This is an infrequent commandlet crash that has affected a number of users exclusively in 4.17.1 (possible regression from 4.17.0?). There are also two instances of older cases in 4.13 and 4.15, bu ...
After adding MovieSceneObjectPropertyTrack from BP or Python, clicking the pull down of the added track occurs crash
UE - Anim - Sequencer - Sep 6, 2019When MovieSceneObjectPropertyTrack is added from BP or Python, PropertyClass of UMovieSceneObjectPropertyTrack becomes null, so it crashes with the following processing of SPropertyMenuAssetPicker : ...