Unreal Engine Issues
Unreal Engine Issues
C++ Class Creation Wizard does not setup include path properly when using a sub-directory with Public/Private Classes
Tools - May 7, 2020The creation wizard is not correctly adding the #include path in the CPP file. To fix the issue to get the project to compile you have to add the path in the .CPP file within Visual Studio. In this ...
Iris - check hit in FNetBitStreamWriter::InitBytes if object has only COND_InitialOnly replicated properties
UE - Networking - Iris - Jun 22, 2023InitOnly FReplicationStateDescriptors will have a value of 0 for ChangeMaskBitCount, so if an object only has COND_InitialOnly properties, its FReplicationProtocol will also have a ChangeMaskBitCoun ...
Instanced Static Mesh components that are part of a Blueprint aren't visible in Standalone Game
UE - Gameplay - Aug 9, 2017Instanced Static Mesh components created through the Construction Script aren't visible in Standalone Game. Collision is still present. They are visible in all other play modes and if created on Eve ...
Blueprints with inherited Macros cannot save
UE - Gameplay - Blueprint - Feb 27, 2015Blueprints with inherited Macros cannot save. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) ...
Garbage Collection crash on Compile attempt
UE - Foundation - Core - Nov 6, 2015Attempting to compile anything in the editor (blueprint, widget, level bp, etc) will cause the editor to crash. Project Link: [Link Removed] Crash Reporter: [Link Removed] Note This has only been ...
Opening particle system crashes editor
UE - Graphics Features - Jan 27, 2016Opening a specific particle system crashes the editor. If the particle system is used within a level and the level is played, the editor will crash with no callstack. Logs are attached. Frequency: ...
Disabling 'Use Landscape Lightmap' option Skewing Procedural Foliage Instances
UE - LD & Modeling - Terrain - Landscape - Oct 24, 2016Disabling the 'Use Landscape Lightmap' when using procedural foliage, will skew the placed instanced meshes. Regression? Yes, this issue did not occur in the 4.13.1 release. ...
Blueprint Viewport displays bright green emissive for all objects
UE - Gameplay - Blueprint - Jul 17, 2017When opening a new blueprint for the first time Adding any static mesh component (Engine content or User created) causes the mesh to display with a bright green emissive. This issue occurs only in t ...
Duplicating a Sequencer causes events from the original sequence to fire when the second Sequencer is ran
UE - Anim - Sequencer - Nov 13, 2018When using a Sequence that is a duplicate of another, without changing the event names, the duplicate Sequence will still fire off the event from the original even if the values are changed. Changin ...
Mover character flickers downward while crouched and moving every so often
UE - Gameplay - Player Movement - Mover - May 8, 2025Repro Rate 5/5 Packaged onWindows - 10 - Enterprise - L3864 Processor: AMD Ryzen Threadripper PRO 3975WX 32-Cores 3.50 GHz RAM: 128 GB GPU: NVIDIA GeForce RTX 3080 GPU Driver Version: 572.83 ...