Unreal Engine Issues
Unreal Engine Issues
Exporting Mannequin to Blender then Re-importing to UE4 Incorrectly Rotates Animations by 90 Degrees
OLD - Anim - Jun 16, 2015Exporting the UE4 Mannequin to Blender then re-importing to UE4 breaks the animations, causing them to reimport rotated 90 degrees ...
Animation Orientation does not Auto-Convert to UE4 Coordinates when Reimporting
OLD - Anim - Nov 23, 2015Animation orientation does not auto-convert to UE4 coordinates when reimporting the same way it does when importing the same animation as a new import. In other words, a run animation generated from ...
BulkData Async loading remains in memory
UE - Foundation - Core - Oct 26, 2016Gil's new loading path may already walk away from this issue. But here's some thing I tested locally if we want to fix this. A simple way to fix is to simply add BulkDataAsync.Deallocate(); ResetA ...
[CrashReport] Crash related to mesh reimport - UE4Editor_UnrealEd!UpdateSomeLodsImportMeshData()
Tools - Jun 22, 2017This is a common crash that occurs for users in the 4.16 release. Log file attached. Additional information is currently unavailable. User DescriptionsRandom Crash After right clicking Static mes ...
Editor Crashes on Opening After Deriving C++ Class from Another Class
UE - Foundation - Cpp Tools - Hot Reload - Sep 13, 2017After deriving a C++ class from another class and then closing the editor, the project will crash when reopened. This crash will continue until the project files are regenerated and the project is r ...
Navmesh doesn't work in a Packaged Build if it was placed in a Sublevel
UE - AI - Oct 19, 2018Once packaged, a persistent level is unable to create navmesh data properly if the navmesh bounds volumes are only present in its sublevels. The issue can be traced to the UNavigationSystemV1::IsThe ...
Trying to chord two buttons already mapped to actions to fire a third action when both are actuated fails.
UE - Gameplay - Input - Apr 14, 2022We're aiming to set up LT - action 1, RT - action 2, LT + RT - action 3 here. I don't think this is supported via chording at present. You'd need to handle it manually (probably via adding/removing ...
AbilitySystemComponent::NotifyAbilityEnded Can Crash due to Callbacks Invalidation Specs
UE - Gameplay - Gameplay Ability System - Oct 11, 2023Pasting from the UDN: Unsafe code in AbilitySystem can lead to crash when granting an ability inside OnAbilityEnded Hello. We just ran into a crash. After investigation, it seems to be caused by ...
"Error Provision not found" even though the provision is present and valid in 4.13.1
UE - Platform - Mobile - Oct 31, 2016A few users are reporting on the Answer Hub and in the Forums that they are getting the following error in their output logs: "Error Provision not found" even though the provision is present and va ...
[CrashReport] Crash related to movie render - UE4Editor_UnrealEd!UEditorEngine::Tick()
UE - Anim - Sequencer - Jun 22, 2017This is a common crash occurring for users in the 4.15 and 4.16 releases. It seems related to rendering movies in Sequencer, but additional information is currently unavailable. A log file is attac ...