Unreal Engine Issues
Unreal Engine Issues
Attached Project Crashing on Play When Using World Origin Rebasing with World Composition
UE - Simulation - Physics - Apr 18, 2017The editor is crashing in the attached project on PIE when World Origin Rebasing is enabled. According to the user, this did not occur in 4.13, but I was unable to test any further back than 4.15, a ...
Users can create project with name of "Stack" which causes conflict with existing "Stack.h"
Tools - Sep 12, 2016Users can create project with existing name of "Slack" which causes conflict with existing Slack.h. Call stack is log file. ...
Possessing and Unpossessing a Pawn when using NetCulling causes the Client to lock up
UE - Networking - Aug 1, 2019In this test bench, they are using a APawn with a custom replicated Movement Component rather than using a ACharacter and they are getting a different result that ends up in a permanent softlock of ...
crash at checkUERenderCommandPipeIsReplaying in RenderScenecpp
UE - Rendering Architecture - Jul 15, 2024Drawing a material to a render target when that material samples an RVT can cause an editor crash. In our testing, the check() did not always occur on the first PIE session, but would always occur ...
Crashes when attempting to use an Instanced Struct inside Control Rig / Rig VM
UE - Anim - Rigging - Control Rig - Mar 17, 2025Currently, the Control Rig Editor allows the user to use the "Instanced Struct" type, for example for a variable or function input/output. However, this type does not seem to be properly supported ( ...
Destructing NiagaraParameterStores causes multi threading write conflict
UE - Niagara - Jan 26, 2022FNiagaraParameterStore::UnbindAll() may be called from both GameThread and RenderingThread. Each may modify the same Binding array, it causes infrequent crashes. In my environment, I was able to r ...
Editor Crashes when working in QAGame TM-Sequencer_EventTrack - TCString<TCharType>::Strlen(InName)
UE - Anim - Sequencer - Jul 12, 2017Editor Crashes when working in QAGame TM-Sequencer_EventTrack - TCString<TCharType>::Strlen(InName) This Assert happens randomly throughout the repro-steps. I am unsure what about the process cause ...
Newly created Groom assets crash when opened after restarting the editor
UE - Graphics Features - Jul 25, 2022Legacy Input mappings and Gameplay Debug Mappings cannot "consume" Enhanced Input actions
UE - Gameplay - Input - Apr 26, 2023Client PlayerState is null on joining online session
UE - Networking - Jul 31, 2015APlayerController::ClientStartOnlineSession() checks PlayerState at the start of a game after loading a level. Due to time needed to load in, client player state may may return NULL ...