Unreal Engine Issues

Crash in NaniteStreamManager when Nanite data fails to decode corrupt data from DDC

If Nanite data becomes corrupt in the DDC, the Editor may crash in FStreamingManager::InstallReadyPages() when the Pending.State is FPendingPage::EState::DDC_Ready but the resulting SrcPtr is null b ...

[CrashReport] UE4Editor_UnrealEd!SaveWorld() [filehelpers.cpp:359]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: !bIsReentrant [L ...

Crash attempting to open an asset from Aim Offset graph in Persona

This is a regression from 4.13 ...

Crash - console command stat none

Editor crashes when compiling widget blueprints when the behavior section is expanded

This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 367 uint8* FObjectPropertyNode::GetV ...

Crash compiling blueprint referenced by Level Sequence while sequence is open

Compiling a blueprint that is used in a sequence when the blueprint exists on a sublevel will cause a crash if the level sequence is currently open. ...

Child Actor Audio Volume Makes UE4 Crash

When creating an actor, adding a child actor component to it, and setting that child to a Audio Volume the Editor will crash if you try to change any of the Audio Volume settings. ...

Crash upon attempt to create destructible mesh of EditorSphere or EditorCube

When attempting to create a destructible mesh from the Engine content folder, using the EditorSphere, or EditorCube Mesh will cause the editor to crash.   However, other meshes from this folder such ...

[Soundfield Submix][Crash] - Unreal Ambisonics Crashes on Packaged Game and in Standalone

Issue was reported by a user on the Unreal Engine forms. I tried to package the game with the other encoding options and this appears specific to using the Unreal Ambisonics option.  I have only co ...

Crash when copying and making a button widget the root of a second widget blueprint

Pasting a button element from one Widget Blueprint into a second Widget Blueprint that has had its root Canvas Panel deleted results in a crash. The crash only occurs when the Canvas Panel is delete ...