Unreal Engine Issues
Unreal Engine Issues
GAS: Async loaded GameplayCueNotify can execute cue events out of order
UE - Gameplay - Gameplay Ability System - Mar 22, 2025Licensee reported problem via UDN. Context GameplayCues ('cue') are events that can be fired by game code, that are identified via a GameplayTag. Cues can be instantaneous or can be a state on any ...
[CrashReport] Linux crash - FScopeContext::FScopeContext()
UE - Platform - Linux - Oct 5, 2017This is a somewhat common Linux crash occurring in 4.17.2. (there are a few older records in 4.16.2 and 4.17.1 also, but most occur in 4.17.2) Callstack from Log[2017.10.04-14.49.42:768][ 2]LogFi ...
Navigation crashing on PIE in absence of NavOctree
UE - AI - Mar 17, 2015Access violation - code c0000005 (first/second chance not available) UE4Editor_Engine!UNavMeshRenderingComponent::GatherData() + 18874 bytes [e:\downloads\unrealengine-4.7\unrealengine-4.7\engine\s ...
[CrashReport] Mac crash - FShaderCompilingManager::ProcessCompiledShaderMaps()
UE - Graphics Features - Nov 16, 2017This is an infrequent Mac crash in the 4.18 release. The callstack is a match to [Link Removed] (loading Zen editor on Mac), but that was confirmed fixed for 4.18.0 while this continues for users. ...
Open Level Crash in Gear VR
UE - Platform - XR - Oct 5, 2016Projects using Open Level (blueprints) or ServerTravel (in C++) will crash the application once it's open on a device using Gear VR Mode. 10-05 18:01:46.451: A/art(19619): sart/runtime/check_jni.cc ...
"DefaultToSelf" pin ignores parameter type
UE - Gameplay - Blueprint - Mar 5, 2015A user reported an issue resulting in a crash with callstack pasted below. After a brief investigation I've found that user was able to successfully compile a blueprint where a function taking an ...
Using Blueprint Interface functions that take other Interfaces as parameters can cause the Editor to crash in PIE mode.
UE - Gameplay - Blueprint - Jan 20, 2015If a Blueprint Interface function takes other Interfaces as parameters, and a circular dependency is present, the Editor will crash when the interface is called. CRASH REPORT: [Link Removed] CALLS ...
Deadlock when running an asset validator commandlet with async skeletalmesh build
UE - Editor - Content Pipeline - Asset Build - Mar 10, 2023[External Code] UnrealEditor-Core.dll!FEventWin::Wait(unsigned int WaitTime, const bool bIgnoreThreadIdleStats) Line 1515 C++ UnrealEditor-Engine.dll!FAsyncTaskBase::WaitCompletionWithTimeout( ...
Deadlock in UPhysicalAnimationComponent::UpdatePhysicsEngineImp
UE - Runtime - Simulation - Sep 13, 2023Deadlock in Chaos during PIE; the main thread is in USkeletalMeshComponent::HandleExistingParallelEvaluationTask waiting for a task to complete, and a worker thread is running that task and is in US ...
Shipping build crash when unplugging then replugging Oculus HMD
UE - Platform - XR - Nov 9, 2016Game crashes in shipping build when un-pluging the Oculus HMD, then plugging it back in. Confirmed in 4.13.2 from the launcher, did not repro via same steps in 4.14 preview 3 ...