Unreal Engine Issues
Unreal Engine Issues
When Adding Custom Bindings, get ensure that "Multiple persistent shared references detected for Sequencer..."
UE - Anim - Sequencer - Nov 17, 2025Ensure: Error LogOutputDevice Ensure condition failed: SequencerRefCount == 1 [Link Removed] [Line: 967] 1. Error LogOutputDevice Multiple persistent shared references detected f ...
Backwards-compatibility broken for the CDOs of Python-generated Unreal Types because of missing redirectors
UE - Editor - Workflow Systems - Feb 11, 2025Previously, all Unreal Types generated by python scripts would be created inside package "/Engine/PythonTypes". This was changed by [CL 32478991 in ue5-main branch], which meant to "remove the restr ...
Get array node will disconnect on restart if it's getting from an array variable of the same bp
UE - Gameplay - Blueprint - Jun 18, 2015Get array node will disconnect on restart if it's getting from an array variable of the same bp. User Description: I have connected GET and Target, then saved and closed the editor. Then I created ...
Random Stream variables in the GameMode are reset every PIE
UE - Gameplay - Blueprint - Jul 6, 2015Random Stream variables in the GameMode are reset every PIE. Workaround is to use Set Random Stream Seed before using the Stream value. Reproduced in 4.7.6, 4.8.1, and Main (//depot/UE4/Promotable ...
Cannot connect to SVN on OSX even after setting up keychain
UE - Platform - Apple - Feb 9, 2015From this AnswerHub: https://answers.unrealengine.com/questions/169750/bug-cannot-login-to-source-control-in-os-x-editor.html Reading through all the information that is given (really useful for a ...
World Override GameMode values do not save after project is closed and reopened
UE - Gameplay - Apr 17, 2015The gamemode settings under world override do not save once the project has been saved, closed and reopened. ...
Crash using Import Commandlet on FBX that gets "Bones are too small" error when imported manually
UE - Editor - Content Pipeline - Import and Export - Feb 23, 2017Crash using Import Commandlet on FBX that gets "Bones are too small" error when imported manually Error from manual import: Warning The bone size is too small to create Physics Asset 'ButterflyVa ...
[CrashReport] UE4Editor_CoreUObject!UPackage::Save() [savepackage.cpp:4597]
UE - Gameplay - Blueprint Compiler - Jul 14, 2017This is a common crash affecting users in 4.16. Users have not provided additional information. Source Context// Set the parent index, ifthis export represents a UStruct-derived object 4589 ...
Unable to compile BuildPatchTool
UE - Foundation - Core - Nov 2, 2017Attempting to build the BuildPatchTool program fails due to a missing .h that was likely relocated. This may be related to, and is at least similar to, another issue where ShaderCacheTool is also un ...
Enabling Preview Rendering Level Mobile GLES3.1 on Map With Vector Fields Results in Editor Crash
UE - Platform - Mobile - May 21, 2018Reproduced Crash on 4.18.3, 4.19.2, and Main CL 4081612. Licensee states: Based on a quick inspection of the code, it seems FVectorFieldVisualizationVertexFactory::ShouldCache() returns false (req ...