Unreal Engine Issues
Unreal Engine Issues
FCableSceneProxy::BuildCableMesh thrashes memory allocator
UE - Simulation - Physics - Feb 12, 2025FCableSceneProxy::BuildCableMesh in CableComponent.cpp:233 showed up as a hot spot in profiling because the two TArray allocators in SetDynamicData_RenderThread used by BuildCableMesh are created an ...
Crash when setting console command for shadow max resolution to 1
UE - Graphics Features - May 29, 2015When setting the console command r.shadow.MaxResolution to a value of 1 will cause a crash. CrashReporter: [Link Removed] ...
LIVE: Editor crash on open if saved with detached viewport and sky light in level.
UE - Graphics Features - Oct 21, 2014If there is a sky light in a scene and the viewport is detached and closed prior to saving, the editor will crash when trying to reopen the project. Crash Reporter: 431802 ...
Widget causing ensure to trigger on end play
UE - Editor - UI Systems - Nov 15, 2019Widget is causing an ensure to be hit when exiting gameplay. Tested in: 4.24 Preview2 CL#10091930 , 4.25 CL#10183780 Attached URL's from the user: https://forums.unrealengine.com/community/ge ...
A Behavior Tree reference to a Blackboard Key will become invalid when the name of the Key is changed in the Blackboard
UE - AI - Oct 5, 2015A Behavior Tree reference to a Blackboard Key will become invalid when the name of the Key is changed in the Blackboard. Clicking on the Behavior Tree node that references the key will update the ke ...
Overridden functions in Child Blueprints cannot be converted to/from pure functions
UE - Gameplay - Blueprint - Jun 27, 2015Overridden functions in Child Blueprints cannot be converted to/from pure functions. Reproduced in 4.8.1 and Main (//depot/UE4/Promotable-CL-2601051) ...
Instanced sub-object property values get out of sync between parent and child Blueprints
UE - Gameplay - Blueprint - Jun 17, 2016Also, another, possibly related symptom that should be looked into alongside this: Possibly related: 1. Set InlineObject to null on both character. 2. Assign new Inline Object to InlineObject on Ba ...
Crash Occurring in Standalone When a Loaded Sub Level Contains an Actor With a Child Actor Component
UE - Gameplay - Nov 30, 2016Standalone is crashing when a map containing a sub level that has an actor containing a child actor component is streamed in, or if the level is set to be always loaded. To be clear, this is not c ...
[Crash] UE4Editor-MetalRHI.dylib!ReportMetalCommandBufferFailure()
UE - Graphics Features - Jan 25, 2017Crashes when resizing Standalone game window by dragging lower right corner to and fro to increase/decrease window size. [Link Removed] Error message: SEGV_MAPERR at 0x3 Source Context:none Mos ...
GPU specific issue with Lighting while moving - GTX 770
UE - Graphics Features - Apr 26, 2017While testing GPU - ContentExamples - Lighting - Nvidia gtx 770 in the 4.16 GPU Compat Pass, I noticed a strange effect on lights while the player is in motion. I've had multiple people attempt to ...