Unreal Engine Issues
Unreal Engine Issues
Float Curve that is set as a local variable in an actor's function is garbage collected when in Standalone, causing a crash
UE - Gameplay - Blueprint - Sep 9, 2016If a Curve Float local variable is created for a function, it will be garbage collected when garbage collection occurs. This causes the process to crash due to an null pointer error whenever it is r ...
Grabbing a Destructible Mesh Child blueprint with a Phsyics Handle crashes the editor
UE - Simulation - Physics - Jun 20, 2016Grabbing a Destructible Mesh Child blueprint with a Phsyics Handle crashes the editor during PIE. NOTE: This issue occurs whether or not simulate physics is active on the destructible mesh compone ...
BP using nested child actor components in streaming level causes ensure condition failed
UE - Simulation - Physics - Solver - Jul 11, 2022This never happens on ue5.0.0 The problem appears to be caused by a deleted PhysicsProxy being registered with Solver. Since the solver accesses the deleted PhysicsProxy, it may crash. Checking a ...
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 ...
Importing a New Substance Preset will crash the engine
UE - Foundation - Core - May 13, 2015With the Substance plugin installed and when you try to import new preset data into the Substance Graph Instance, the engine will crash ...
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 ...
Opening widget blueprint causes editor to crash
UE - Editor - UI Systems - Oct 17, 2014Branch Build Label UE4-Main Promoted-CL- 2323471 DESCRIPTION: User crashes when opening a Widget blueprint. Unable to reproduce internally. *EDIT* Repro provided by User ...
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] ...