Unreal Engine Issues
Unreal Engine Issues
HLOD Build crashing when building nanite for mesh with 2 material having the same parameters
UE - World Creation - Worldbuilding Tools - HLOD - Dec 2, 2023From Licensee: Catching the exception with debugger allowed us to find a list of materials on the hlod mesh on which the error occured and we were then able to link it to one of our meshes causing ...
Adding parent constraint to control rig in shot crashes the editor
UE - Anim - Anim in Engine - Mar 10, 2023Adding a constraint to a control rig in a subsequence will crash the editor. ...
Crash when changing details of an animation in an Animation Composite
UE - Anim - Jun 7, 2022This is a regression tested in //UE4/Release-4.27 CL#18319896 Fatal error is thrown and the Editor crashes when changing details of an animation in an Animation Composite. ...
Adding "_API" specifier to FMovieSceneTrackEditor results in linker errors
UE - Anim - Sequencer - Feb 7, 2017Unable to add API specifier to FMovieSceneTrackEditor, results in compile errors (pasted in the callstack field) ...
Renaming actors between levels during PIE causes issues
UE - World Creation - Worldbuilding Tools - OFPA - Dec 4, 2023When renaming actors during PIE the actor generates a new, non memory/temporary, actor package underneath the PIE world- this is then causing checks in EnumerateMemoryAssetsHelper (in AssetRegistry. ...
Compiling twice then pressing play/stop after creating a c++ Game Instance causes a crash
UE - Foundation - Cpp Tools - Live Coding - Jan 24, 2022This is not a regression. After creating a C++ based Game Instance the Editor crashes if you compile twice then play and stop. ...
GAS PlayMontageAndWait: Server applies root motion with wrong scale at last montage tick
UE - Gameplay - Gameplay Ability System - Apr 3, 2024User reported: when playing an AnimMontage via GameplayAbility with the PlayMontageAndWait ability task that has a custom value for AnimRootMotionTranslationScale, (dedicated) servers can apply an i ...
Crash after generating HLODs for approximated meshes that have all triangles culled
UE - World Creation - Worldbuilding Tools - HLOD - Apr 26, 2023The crash occurs when FWorldPartitionHLODUtilities::BuildHLOD attempts to build an approximated mesh that has all of its contents culled during generation, this can happen when an approximated mesh ...
Cooking fails with a Nanite Landscape and 3D text asset
UE - Virtual Production - Avalanche - Sep 20, 2023Adding a 3D text actor to a level with a Nanite landscape causes cooker to hit an assert Tested in the Following //UE5-Release-5.3-CL-27405482 ...
Hot Reload triggers Ensure after default value of a property in a component included in an Actor class is changed
UE - Foundation - Cpp Tools - Hot Reload - Sep 13, 2018Performing a Hot Reload after changing the default value of a property in an ActorComponent that is included in an Actor class triggers an ensure if a Blueprint has been created from that Actor clas ...