Unreal Engine Issues
Unreal Engine Issues
Crash Occurs in UAIPerceptionSystem::UnregisterSource When Exiting PIE
UE - AI - Feb 17, 2016User Description: The Perception System crashes when exiting PIE on UAIPerceptionSystem::UnregisterSource. It doesn't check for null sense classes which are there by design I suppose. I transition m ...
Running Lyra with a Startup Movie causes a crash
UE - Editor - UI Systems - Slate - Jun 26, 2023Adding a startup movie to a Lyra Starter game project will cause a crash in a packaged build. Full callstack is attached ...
Crash in Network Prediction during PeriodicDamage GameplayEffects Test
UE - Networking - Jan 27, 2021Crash during Periodic Damage test for Gameplay Abilities system in the Network Prediction plugin, when both plugins are enabled. Related to a null GameInstance. ...
Crash processing is taking 3 minutes to complete
UE - Foundation - Core - May 26, 2015Jaroslaw S requested a Jira be put in for this issue, their logs are attached to the AnswerHub post: "Based on the logs, it looks like he is getting the callstack now. I noticed that one part of th ...
Crash after Undo and garbage collection on sequencer track
UE - Anim - Sequencer - Apr 18, 2019A crash occurs after adding an additional camera track, undoing the additional, and then calling garbage collection Appears to be the same callstack found here [Link Removed] ...
Packaged project crash on open with GEngine & ConstructorHelpers
UE - Foundation - Core - UObject - Jun 28, 2017When GEngine is used in a constructor before calling a ConstructorHelper function, the packaged game will crash on open with an assertion about recursion (see screenshot) ...
PerceptionSystem crashing on removing a listener as part of DestroyActor call
UE - AI - Apr 14, 2015User reported a crash in UAISense_Hearing::OnListenerRemovedImpl when perception listener is being removed as a response to DestroyActor call. ...
Duplicating / Moving (to another level) an actor with a Hierarchical Instanced Static Mesh component causes a crash
UE - Graphics Features - Nov 14, 2016When you have an actor with a Hierarchical Instanced Static Mesh component that has a Static Mesh set and is populated with at least 1 instance and then duplicate it or move it to another level, it ...
Chinese Characters causing the Editor to crash when using them in a blueprint
UE - Editor - UI Systems - Localization - Dec 4, 2014When using Chinese characters in Blueprints, it will almost always see a crash when saving the project and PIE. This only occurs in the 4.6 release build. It does not occur in Main. Crash Report: ...
Crash when spawning destructible objects in 2 player PIE
UE - Simulation - Physics - Destruction - Aug 31, 2016Crash Reporter link: [Link Removed] With Source Context: [Link Removed] ...