Unreal Engine Issues
Unreal Engine Issues
Changing particle system template via Blueprints crashes Editor and packaged game
UE - Niagara - Apr 4, 2019Setting a ParticleSystem component in a Blueprint to none/null with a "Set Template" node causes the editor and the packaged project to crash. I have noticed this when migrating my game to 4.22, whi ...
Editor crashes on compile with no warning when trying to access information from a "Slot as Canvas Slot" node on tick that has not been set yet by begin play
UE - Editor - UI Systems - Jul 1, 2015If a user creates a widget variable that is set on begin play and then tries to get information from that widget via the "Slot as Canvas Slot" node on tick the editor will crash. This appears to hap ...
Crash on applying animation modifier for some assets
OLD - Anim - Oct 29, 2019When removing curves on some assets, a crash can occur. This seems to be due to const FSmartNameMapping* CurveMapping being null and dereferenced within UAnimationBlueprintLibrary::RetrieveContainer ...
Get VR Focus State will cause a crash in standalone if an HMD device is in use
UE - Platform - XR - Jul 27, 2016Get VR Focus State will cause a crash in standalone if an HMD device is in use ...
Assertion thrown while deleting a Curve from a Control Rig asset - DetailsViewWrapperObject.cpp: 231
UE - Anim - Rigging - Control Rig - Apr 1, 2022Assertion thrown while deleting a Curve from a Control Rig asset. ...
Editor crashes while sculpting landscape heavily covered in foliage
UE - LD & Modeling - Terrain - Landscape - Mar 30, 2016Sculpting a landscape densely covered in foliage crashes editor after freezing. Frequency: 2/2 crashreporter: N/A Additional CrashReporter - [Link Removed] ...
Adding Angular Impulse on Begin Play causes a Crash
UE - Simulation - Physics - Jun 29, 2016Calling Add Angular Impulse on BeginPlay causes the editor to crash. Workaround: Adding a short (.01s) delay after BeginPlay prevents the crash. Regression: No, crash occurs in 4.11.2 as well. ...
Access Violation in delegatesignatureimpl.inl after HotReload
UE - Foundation - Core - Jan 27, 2017This is the third different callstack in an attempt to repro a HotReload crash I am experiencing. The other two are:[Link Removed]: Nullptr Ensure and crash after HotReloading[Link Removed]: Assert ...
Blackboard interaction crashes engine
UE - AI - May 15, 2015User Description: "I'm trying to implement AI and following zoombapup's Guard AI YT tutorials. Whatever I do within Blackboard crashes the engine. Yes even a single click on Self key. Here's the dum ...
Opening blueprint debugger crashes editor
UE - Gameplay - Blueprint - Apr 29, 2016The editor crashes upon attempting to open the blueprint debugger through the Window menu. Frequency: 2/2 Regression (Yes) issue (does not) occur in 4.11.2 ...