Unreal Engine Issues
Unreal Engine Issues
Error when using GetMass without Simulate Physics enabled
OLD - Anim - Oct 31, 2017When using GetMass on an Actor Blueprint, an error is displayed when Simulate Physics is disabled, but GetMass executes successfully. Error Message: BP_Actor_80.MaterialSphere MaterialSphere has t ...
Landscape Change Component Size Tool removes foliage from landscape
UE - World Creation - Worldbuilding Tools - Foliage - Dec 12, 2017Foliage painted onto a landscape will disappear when Sections per Component is changed from 1x1 to 2x2. Affects 4.17.2 CL 3658906, 4.18.2 CL 3794801, 4.19 Main Possible Workaround is to set the Re ...
Editor crashes when calling a "scroll into view" node with missing parameters
UE - Editor - UI Systems - Jan 15, 2018There is an issue where Editor crashes when calling a "scroll into view" node with missing parameters. This issue should be caught when compiling the blueprint as one of the values should not be nul ...
Building Lighting fails when lightmass importance volume scale is large
UE - Graphics Features - Jan 30, 2018There is an issue when attempting to build lighting with a large lightmass importance volume when you build the lighting the editor freezes. This issue appears to be a regression Versions tested: 4 ...
Generate Particle Event Blueprint node doesnt generate particles at relative "InLocation"
UE - Niagara - Apr 3, 2018The EventReceiver Spawn module doesnt seem to take in parameters from linked Particle Generated Event. When setting the location of the Blueprint node (In Location), the relative position of the Par ...
Random Deviation of 0 causes service node instantiation fail
UE - AI - Apr 17, 2018Licensee has 4 Services that aren't being initialized with their respective Tasks when they Plays in Editor. If the Behavior Tree is opened first, the warnings do not appear. All 4 of the Services h ...
Moving actor to another level breaks soft object reference
UE - Gameplay - Jun 9, 2020REGRESSION: In 4.24, there was a fixup process that would allow the soft reference to remain valid. This seems to be missing in 4.25 Moving an actor to another sublevel immediately breaks soft ref ...
Fbx Importer: Make sure the blendshape curve keys have the correct tangent scale
UE - Anim - Oct 4, 2021The tangent of the blendshape curve seam to have the wrong scale (but correct direction) from this UDN. https://udn.unrealengine.com/s/question/0D54z000079J03OCAS/skip-compressing-anims-and-buildin ...
USplineComponent::CalcBounds is not defined in shipping builds
UE - Editor - Workflow Systems - Jul 12, 2022USplineComponent::CalcBounds is not defined in shipping builds (presumably the thought being that nothing can be rendered in shipping, and hence no scene capture required). But if CalcBounds is use ...
Issue with PLA Editing inside another PLA causes Z-Fighting or Mesh Disappearance.
UE - World Creation - Worldbuilding Tools - Dec 6, 2024When editing a Packed Level Actor (PLA) that is inside another PLA, z-fighting or mesh disappearance will occur. More specifically, it is seen when duplicating a mesh inside the PLA, upon saving the P ...