Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor-Core.dylib!FTextHistory::Rebuild(TSharedRef<FString,()
UE - Platform - Apple - Aug 15, 2017This is a trending Mac crash in 4.17.0 that has also occurred with some frequency since at least 4.14. I have not been able to identify any matching callstack occurring on Windows, although it does ...
GAS: FActiveGameplayCueContainer::RemoveCue crash while iterating removals when consecutive Cue tags are conditionally added and the conditional effects removed in ascending order
UE - Gameplay - Gameplay Ability System - Nov 4, 2025When removing gameplay effects by tag, if the tag that is being removed has other tags that are dependent on it in a cyclical way an "array out of bounds ' error can be triggered. ...
Converting BSP to static mesh on Linux causes the editor to crash
UE - Platform - Linux - Mar 11, 2016Converting a BSP to a static mesh will freeze and crash the editor when done on Linux. Windows does not exhibit the same conversion crash. ...
[CrashReport] UE4Editor_Renderer!FRendererModule::DrawTileMesh() [renderer.cpp:51]
UE - Rendering Architecture - Materials - Jan 12, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...
The process may not return to the root node after the Wait Task is completed.
UE - AI - BehaviorTree - Sep 14, 2021If the Wait Task is completed for the first frame, it may not return to the root node even after Finish. This can be avoided by increasing the wait time of the Wait Task (see CaseOK.mp4). When this ...
[CrashReport] Assertion on Mac in FCocoaRunLoopSource
UE - Platform - Apple - Jun 14, 2017This is a common crash among Mac users in 4.16. It is spread out among many separate CrashGroups, with slight variations in Callstack. Some Example CrashGroups [Link Removed] [Link Removed] [Link ...
Blueprint macro in a level blueprint causes memory leak
UE - Gameplay - Blueprint - Oct 15, 2019The level blueprint has a macro that references a level. FBlueprintNodeTemplateCache keeps holding this cashe at transition level. Unable to find source-code formatter for language: text. Available ...
[CrashReport] Mac crash - FMetalRenderPass::AsyncCopyFromBufferToTexture()
UE - Graphics Features - Sep 14, 2017This is an infrequent Mac crash that has occurred for a few users since 4.16. Users have not provided any description of their action when the crash occurred. Callstack from Log[2017.08.26-18.54.51 ...
[CrashReport] UE4Editor-CoreUObject.dylib!UPackage::Save() during COTF
UE - Foundation - Core - Cooker - Nov 21, 2017This is a common Mac crash that has occurred since at least 4.17.1 User DescriptionsJust trying to launch my project on any output I can. No luck.launching AR project on IOS device. Ugg. Last adjus ...
Crash when toggling the SmartLinkEnabled state of a NavLinkProxy specifically in a packaged game targeting Debug/Development
UE - AI - Navigation - Jan 24, 2025The licensee has reported, and I was able to reproduce, that specifically in package builds targeting Development configuration, trying to toggle the SmartLinkEnabled state of a NavLinkProxy will cr ...