Unreal Engine Issues
Unreal Engine Issues
Bugg 66074: "SEGV_MAPERR at 0x3"
Tools - Aug 31, 2015The user is getting a consistent error which does not allow him to open projects in 4.8 and 4.9. Five reports from user's machine produce identical callstacks: Bugg 66074: [Link Removed] ...
Animation Track in Shot Does Not Animate With Evaluate Sub Sequences In Isolation Enabled
UE - Anim - Sequencer - May 15, 2018When Evaluate Sub Sequences in Isolation is enabled in a shot, other shots inside the same sequences only play the transform track and do not play their animation track Does not affect 4.18.3 Relat ...
Disabling "Apply Fogging" Doesn't Work for Translucent Material with Volumetric Fog
UE - Graphics Features - Jul 6, 2018Translucent materials with "Apply fogging" disabled will be affected by volumetric fog. Found in 4.19 CL# 4033788, 4.20 Preview 5 CL# 4173640, and 4.21 ...
Default Values missing from Local Variables in Blueprint Actor Construction Script
UE - Gameplay - Sep 19, 2019Specific to the Blueprint Construction Script, Local Variables cannot have their value set in the Editor, because the "Default Value" section of the Details tab will never appear. This only affects ...
ARCore - "Get Supported AR Video Formats" returns empty on Android
UE - Platform - XR - Dec 18, 2019Get Supported AR Video Formats node only functions on iOS. (ARCore Library has similar 'Get ARCore Camera Config' node currently) Tested with iPad A1701 and Note 9 ...
Missing materials on the rear lights of library vehicles
TM - Content - Oct 24, 2025Reported in SF [Link Removed] The rear light material on Twinmotion library vehicles is not present on many vehicles in TM 2025.2. Confirmed affected vehicles are in the following categoriesCarsTw ...
Creating a blueprint from selected components crashes editor if components contain a blueprint with a component
UE - Gameplay - Blueprint - Nov 4, 2015Frequency: 2/2 Crash Reporter: [Link Removed] Editor crashes if the option: "Convert Selected Components to Blueprint Class" is selected from main editor viewport>Blueprints context menu. This occu ...
Editor crash when switching between levels in the content browser
Tools - Aug 26, 2015Switch between levels in the content browser caused a crash while loading the level. Project On Google Drive: [Link Removed] ...
Crash when trying to find references to blueprint Structure node
UE - Gameplay - Blueprint - Oct 12, 2015Right clicking on a struct node inside a blueprint and selecting the "Find References" option will cause the editor to crash Crash Reporter: [Link Removed] ...
Editor crashes if opening a sublevel containing a navmesh when persistent level is open
UE - AI - Sep 8, 2015If the persistent level is open and a user attempts to open a sublevel that contains a navmesh, the editor will freeze and then crash. Frequency: 3/3 Crashreporter: N/A ...