Unreal Engine Issues
Unreal Engine Issues
Cannot Add Elements to AIPerceptionStimuliSource's Register as Source on an Instance in the Level
UE - AI - Jun 7, 2016When attempting to add an element to the Register as Source for Senses on an instance of a blueprint in the level, the + button has no effect. Clicking the button does not add an element. This work ...
Expanding a Parent Folder, Opening a Child Folder, and Collapsing the Parent Folder Displays All Assets
UE - Editor - Content Pipeline - Content Browser - Oct 2, 2015In the content browser, expanding a parent folder, selecting one of its child folders, and then collapsing the parent folder will cause all of the assets to display in the content browser, including ...
Hot Reload wipes all elements of UProperty TArrays in Blueprint subclasses
UE - Foundation - Cpp Tools - Hot Reload - Dec 5, 2017Hot reloading a change that affects a class that contains a TArray UProperty will wipe all of the array elements of any Blueprint subclasses of that class. Regression?: Yes This does not occur in 4 ...
Clothing Data Cannot Be Created If The Old Data Was Deleted While Applied
UE - Simulation - Physics - Character - Jan 16, 2020When you delete clothing data on a skeletal mesh before removing it you cannot apply new clothing data. The engine still thinks that there is clothing data is applied. I tested using the Paragon: Tw ...
Attached Project Crashes When Attempting to Open Blueprint
UE - Gameplay - Blueprint - Nov 11, 2015The project in question: [Link Removed] The user is experiencing an issue where they've fixed compile errors on their NPC blueprint, and now are unable to open it without experiencing a crash. Righ ...
Filename issue for Stick Figure Project 2D project
Docs - Samples - May 2, 2017There is an issue packaging the project Unreal Stick Figure 2D project that is available in the learning tab. The project cannot package from the outset because of a couple of files that uses space ...
Desynchronised playback of firstime played SoundWaves with active AudioStreamCaching
UE - Audio - Mar 25, 2020The SoundWave in the Content folder of the attached Project has been exported from Nuendo @ 120BPM 4/4, with a duration of exactly 1 Bar. The BP_Audio Actor uses the TimeSynthComponent to provide sa ...
Adding Megascans 3D objects to a scene can cause Twinmotion to freeze and Crash on macOS.
TM - Core - Dec 11, 2024Looking at the logs when it happened, the logs are spammed with the following: [2024.12.10-20.34.12:438][514]LogZenServiceInstance: Display: Unreal Zen Storage Server HTTP service at [::1]:8658 sta ...
Editor crash when adding element to Instance array of custom InstanceStaticMeshComponent
UE - Gameplay - Blueprint - Sep 14, 2017Adding an instance static mesh component to a class causes the editor to crash when an instance is added to a blueprint of the class. Regression: Yes - this behavior does not occur on 4.16.3 (CL 35 ...
Crash on level change when "Use Single Process" is false and "Play as Client"
Tools - Jun 20, 2017When "Use Single Process" is off (unchecked/false) and "Play as Client" is selected, using the console command "Open [LevelName]" causes the editor to crash Regression: No - same behavior occurs in ...