Unreal Engine Issues
Unreal Engine Issues
Crash when using Vertex painter with material including cubemap texture sampler
OLD - Anim - Jul 3, 2017Engine crashes when static mesh have material with cube sampler in vertex painter mode. Simply DaylightAmbientCubemap_Mat have texture cube as texture sampler. This is not reproduced in 4.15 versi ...
Package fails after adding DesktopPlatform to public module dependency list
UE - Foundation - Core - Apr 6, 2017Adding DesktopPlatform to the PublicDependencyModuleNames.AddRange() section of the Project.Build.cs file causes the project to fail packaging with the following error (full package logs in callstac ...
Editor crash when opening Project Settings on Linux
UE - Platform - Linux - Mar 29, 2017When the Project Settings is opened on Linux, a call is made to run an iOS-related C# program (execute iPhonePackager certificates). This call causes the editor to crash. Unable to find mention of ...
In Sequencer, copying a Missing/Invalid Bound Object to a track may crash the Editor with an Unhandled Exception at UExporter::FindExporter()
UE - Anim - Sequencer - Jun 26, 2025In Sequencer, copying a Missing/Invalid Bound Object to a track may crash the Editor with an Unhandled Exception at UExporter::FindExporter(). The licensee has provided a txt file that contains the ...
Reimporting Duplicated Mesh from Blender Creates Merged Meshes
Tools - Mar 26, 2018When a mesh in Blender is Duplicated and exported as an FBX, then imported into Unreal with Combine Meshes unchecked, then both meshes reimported, one of the meshes has another mesh added to it. The ...
Show Collections shows up twice when box is checked and multiple content browsers
UE - Editor - Content Pipeline - Content Browser - Jun 29, 2015When you have 'show collections' checked off and you open up an additional content browser, 'show collections' shows up twice in the menu. ...
Print String duration divided by number of players
UE - Gameplay - Blueprint - Jul 9, 2018Print string duration is divided by number of PIE players. ...
Second controller input doesn't work setting client mode on PIE.
UE - Editor - UI Systems - Feb 3, 2021When two controllers connected, player2 input is disabled in client mode in PIE. It worked correctly in 4.25, but it has been wrong since 4.26. Digging into FSlateApplication::ProcessKeyDownEve ...
Crash when reopening a project that has a Child Actor component in a BP with a WaterBody class set as the Parent Class
UE - Graphics Features - Apr 29, 2021When adding a child actor component to a Blueprint with the Parent Class set to one of the new Water classes and then placing it in the world, the project will crash on open. This was tested with th ...
SetMasterPoseComponent overrides any SetMorphTarget operations
OLD - Anim - Oct 16, 2015Using Set Master Pose Component overrides any Set Morph Target operations on the slave component. ...