Unreal Engine Issues
Unreal Engine Issues
ChaosDestructionDemo packages cannot be created in 4.25.1
UE - Simulation - Physics - Jul 17, 2020Editor crash when the renderdoc.captureframecount is set more than 1
UE - Rendering Architecture - RHI - Jun 27, 2023Importing FBX file with same material slots and texture names has bugs
UE - Editor - Content Pipeline - Import and Export - Jul 31, 2020When importing a file from Blender, UE creates the correct number of materials, but the number of textures is incorrect and is being overwritten, and not importing the correct amount. Tested and re ...
Crash when exporting static mesh actor to FBX (Array index out of bounds)
UE - Editor - Content Pipeline - FBX - Apr 25, 2025I set the Forced LOD Model on the mesh component > 1, then tried to export, this is what causes the crash. Here is my suggested fix, we just don't use Git or I'd do a PR: In the else() branch of FF ...
Compilation error when using Particle SubUV in Niagara Mesh Particles with Raytracing enabled.
UE - Niagara - Oct 12, 2021The licensee has shared the following workaround for modifying NiagaraMeshVertexFactory.ush. struct FVertexFactoryInterpolantsVSToPS { TANGENTTOWORLD_INTERPOLATOR_BLOCK #if USE_PARTICLE_SUBU ...
Sequence node numbering error when adding execution pin.
UE - Gameplay - Blueprint - Dec 26, 2018When using the "Insert execution pin after" option with a sequence node "Then 0" gets removed. ...
Depth buffer collision kills all particles after 1 second
UE - Niagara - May 12, 2020Somehow the namespace broke between the collision and the trace modules. [Image Removed] [Image Removed] ...
Split Struct Pin on a Function output will return a compiler error
UE - Gameplay - Blueprint - Jan 13, 2015Split Struct Pin on a Function output will return a compiler error: Error Pin New Param 1 X named NewParam1_X doesn't match any parameters of function NewFunction_0 Error Pin New Param 1 Z name ...
Editor Crashes when importing some FBXs with multiple Material IDs in 4.14.2
UE - Editor - Content Pipeline - Import and Export - Jan 5, 2017This is a regression in behavior between 4.14.1 and 4.14.2! The editor will crash when importing FBX meshes that have multiple material ID assignments. If it's a single material ID it will import w ...
Attaching New Camera Actor to Spring Arm Component does not set the Location Correctly
UE - Gameplay - Blueprint - Apr 2, 2015After adding a new Camera Actor Component within Blueprints to an existing Spring Arm Component, the Camera Component adopts the location settings , but does not set its location within the viewport ...