Engine Crashes when saving a project to disk space is full

UE - Foundation - Core - Feb 14, 2017

I ran out of space in my D drive and my project autosaved and received the attached error message This is NOT a regression ...

Crash when Enabling HDR in a Standalone Fullscreen Game

UE - Graphics Features - May 22, 2019

Enabling HDR with the r.HDR.EnableHDROutput command causes a crash in fullscreen standalone as well as packaged projects. This only happens with HDR monitors, following the same steps on a monitor t ...

Mutable references MetaHumans heads directly, but DNA Assets are private

UE - Anim - Mutable - Sep 18, 2025

When we switched our project to 5.6.1 This error appeared on build. The compilation of the Mutable assets in the editor is not reporting any issue. ...

Crash when testing a sound in UMG that has been added to an audio track for an animation

UE - Editor - UI Systems - May 25, 2016

The editor crashes when testing an animation that has an audio track containing a wave sound. ...

Linux crash on Import

UE - Platform - Linux - Jun 2, 2016

Attempting to import content into a project causes the editor to crash on Linux ...

Crash when adding a camera to shot track if a player track has been added

UE - Anim - Sequencer - May 9, 2016

If the user creates a new sequencer for the level that includes the player character and a shot track the editor will crash if a new camera is set as the camera for the shot track. ...

[CrashReport]Assertion failed: InitState == EWorldPartitionInitState::Uninitialized [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\WorldPartition\WorldPartition.cpp] [Line: 1485]

UE - World Creation - Worldbuilding Tools - World Partition - Sep 12, 2023

Generated from CrashReporter Logs can be obtained via Crash Reporter ...

App on Gear VR crashes when trying to join a listen server as a client

UE - Platform - XR - Dec 10, 2015

If the user tries to join a listen server with an app that is running on the Gear VR the App will stop working. ...

Crash when unloading Lighting Scenario Streaming Level

UE - Graphics Features - Nov 16, 2016

If a sub-level is set as a Lighting Scenario in the Levels tab, calling Unload Stream Level will cause standalone / packaged games to crash. Regression: No - Lighting Scenario not available before ...