Unreal Engine Issues
Unreal Engine Issues
Reimporting an asset during PIE overwrites the bAllowCPUAccess value to true
UE - Editor - Content Pipeline - Import and Export - May 22, 2025When reimporting a static mesh asset before PIE execution, the value of bAllowCPUAccess is false. If reimporting a static mesh asset while PIE is running, the value of bAllowCPUAccess is true. In a ...
Fbx import has some scale differences
UE - Editor - Content Pipeline - Import and Export - Dec 15, 2020A licensee has forwarded an fbx that came out of Nuke. I think the animation is importing into Sequencer correctly, but the objects seem to be scaled. If I take the fbx into Maya and then reexport i ...
Problem importing broken FBX
UE - Editor - Content Pipeline - Import and Export - Nov 25, 2021An FBX exported from 3DEXCITE DELTAGEN fails to parse correctly in the latest FBX SDK and crashes the UE importer. This FBX is automatically repaired when loaded into Maya (citing "polygons with ov ...
FBX animations generated under fractional framerates fail to import
UE - Anim - Runtime - Aug 24, 2022We now have the following error that is generated in FFbxImporter::ValidateAnimStackif (!FMath::IsNearlyZero(SubFrame, KINDA_SMALL_NUMBER) && !FMath::IsNearlyEqual(SubFrame, 1.0f, KINDA_SMALL_NUMBER ...
Importing FBX that contains a socket from Blender to Unreal, the socket gets rotated by 90° and is scaled by 100
UE - Editor - Content Pipeline - Import and Export - Sep 9, 2025Context: Sockets are attach points that can be placed on a Static Mesh to attach an object to the static mesh. Problem: Importing an FBX that contains a socket from Blender to Unreal, the socket ge ...
fbx Importer: Make sure the user has more feedback on the automatic import framerate
UE - Editor - Content Pipeline - Import and Export - Oct 4, 2021If a user import a lot of animation in one fbx, the logic that compute the automatic framerate can diverge and hit a very high value. The maximum sample rate is 1920Hz which is very high,. The user ...
UAsset file size - fbx embedded textures
UE - Editor - Content Pipeline - Import and Export - Jun 20, 2025hello! was curious if there were any settings I could adjust in Unreal to reduce the size of uassets generated from fbx files with embedded textures? i've recently swapped to using fbx exports from ...
An imported file that resides within the project's folders gets a relative path. That path is not updated it you copy the uasset to another folder. That breaks the Reimporting functionality.
UE - Editor - Content Pipeline - Import and Export - Aug 28, 2024An imported file that resides within the project's folders gets a relative path. That path is not updated it you copy the uasset to another folder, so from the location of the new asset's the relati ...
[Interchange][FBX] Import of custom collision add the collision mesh material slot to the mesh material slot
UE - Editor - Content Pipeline - Import and Export - Jan 20, 2025cf part 2 of that UDN https://udn.unrealengine.com/s/question/0D5QP00000rP4CG0A0/interchange-custom-collision-changes-from-fbx-pipeline?fromCase=1 ...
Camera Animation imported through Sequencer with FBX sometimes loses rotation fidelity
UE - Anim - Sequencer - Feb 28, 2025FBX attached[Link Removed] ...