Users project crashes when opening level that loads multiple sub-levels

UE - Foundation - Core - UObject - May 31, 2017

Users project crashes when opening level that loads multiple sub-levels. Unable to reproduce this in a clean project so the users project is provided though Epic's box account (link is in the repro ...

'Missing Receipt' error after disabling plugin in binary build and repackaging

UE - Foundation - Cpp Tools - Oct 18, 2018

This was originally found with Android Launch On but also occurs Launching on to Windows with a new project. This will not reproduce when using a build from PerforceogPlayLevel: Setting up ProjectP ...

Crash in editor after disabling AISystem in Worldsettings

UE - AI - May 16, 2018

After disabling the World Option bEnableAISystem, clicking with the right mouse button on the asset browers (in an empty place) casues the editor to crash. ...

Force Next Floor Check doesn't work when the player is stopped

UE - Gameplay - Player Movement - Oct 6, 2016

Force Next Floor Check doesn't work when the player is stopped, even though the tool tip says that it does. User Description: I'm trying to shrink / grow the collision capsule for our needs but wh ...

FBX Camera Import into Sequencer - Scale Does Not Apply to Scene-Dependent Attributes (e.g., Focus Distance)

UE - Anim - Sequencer - May 1, 2025

When importing an FBX camera into a Level Sequence via the FBX Import dialog, we rely heavily on the Import Uniform Scale and Convert Scene Unit options for DCC interoperability. These settings ...

Saving a new material after creating a landscape crashes the editor

UE - Graphics Features - Dec 27, 2016

This crash occurs when you create a landscape, then create and save a material. Note The crash does not occur unless a landscape was created first I came across a couple of crashes revolving around ...

Engine Plugins are failing to be created

UE - Foundation - Cpp Tools - UnrealBuildTool - Apr 19, 2017

Engine plugins are not being successfully created. Output log reads that the Path QAGame/Plugins cannot be found leading me to believe that it is not creating the Plugins folder for the project. N ...

[CrashReport] Assertion failed: IsValid() - UE4Editor_SlateCore!FWeakWidgetPath::GetLastWidget()

UE - Editor - UI Systems - Slate - Jun 22, 2017

This is a common crash occurring among users in the 4.16 release. Users have not provided any descriptions when they crash, so additional information is not currently available. log file attache ...

Runtime-generated components stored in the VisibleAnywhere array are not displayed in the detail panel

UE - Gameplay - Components - Jun 30, 2022

Runtime-generated components stored in ObjectPtr with VisibleAnywhere are displayed in the details panel, but not for arrays. Applying the following workaround, components can be visible even in ar ...

Attached Project Crashes When Compiling Character Blueprint

OLD - Anim - Feb 10, 2016

The user's project is crashing during compilation of one of their character blueprints. We have not been able to reproduce this issue in a clean project, as the repro steps are unknown outside of t ...