Unreal Engine Issues

Joining a session in PIE with Auto Connect To Server disabled will crash PIE

Joining a session in PIE with Auto Connect To Server disabled will crash PIE. Note: this is not specific to the Multiplayer Shootout project used in the repro steps; this will occur in any project ...

A 3D wdiget with a text block that has a large font size will crash a packaged project

Using a 3D Widget with a text block who's font size is set to 1,000 will give a fetal error when packaged. Note: The package will succeed, however when the project is opened the user will receive ...

Sequencer: SourceData[x].SourceIndex may be larger than the size of the Sections array, causing a crash

A licensee has encountered a crash when loading Sequencer Assets that occurs in BlendSegment during a sort lambda. It's possible to end up in a situation where the SourceIndex being sorted is larger ...

Crash entering PIE without Magic Leap SDK referencing delayhlp.cpp:323

Editor crash when PIEing without ML SDK installed on machine. This did not occur at the same CL on a P4 build. This did not occur on a machine with the ML SDK installed. Does not occur in //UE4/Re ...

Clicking reimport on a skeletal mesh crashes the editor - UE4Editor_Engine!USkeleton::GetSmartNameContainer() [skeleton.cpp:1410]

Information about this goes here....Reimported Skeletal Mesh FBX 2016/2017 in preview window. Didn't crash outside of preview in the standard content browser context menu. ...

Crash when editing members of a struct contained within a UObject instanced inside a USceneComponent

When implementing a USceneComponent in C++, one may want to add one or more internal UObjects to hold some data or perform specific tasks (this is also done by several UE built-in components). These ...

Project crashes when creating a Standalone Window editor plugin, restarting, and immediately playing as Standalone Game

If the user creates a Standalone Window Editor plugin and restarts the editor then immediately plays the game as Standalone Game, the editor hits an assert. [Link Removed] Appears to only happen i ...

[AI] Destroying an actor while using pooled actors with MassActorSpawnerSubsystem causes a nullptr exception crash

If an actor that is used in the pooled actor list of UMassActorSpawnerSubsystem is destroyed, it causes a nullptr exception in UMassActorSpawnerSubsystem::SpawnOrRetrieveFromPool. The subsystem atte ...

Record with timecode as source but false on start at Timecode causes crash

Editor crashes if reopened and a row is selected after moving datatablerow editor window in a csv data table

If a user moves the row editor window in a csv datatable, then saves, closes, and reopens the editor, the editor will crash if the user then attempts to select a datatable row in the csv datatable w ...