Unreal Engine Issues

[CrashReport] UE4Editor_Engine!USceneComponent::UpdateComponentToWorldWithParent() [scenecomponent.cpp:492]

This is a common and longstanding crash that has occurred since at least 4.12 and affected more than 400 users. User DescriptionsWas following the first Blueprint tutorial and dragged the geometry ...

FPackedRGBA16N is divide by 32768 twice in NEON/FPU

[CrashReport] Assertion on in UMaterialInterface::InitDefaultMaterials()

This is a common Mac crash occurring in the 4.16.1 release. I have not found any evidence of it occurring on Windows. The callstack closely matches [Link Removed], which was briefly experienced by ...

Editor Crashes When Attempting to Create/Open a Blueprint While 'Show Friendly Variable Names' is False

When the 'Show Friendly Variable Names' option is set to false in Editor preferences, attempting to create (once you press 'Enter' to accept the new Blueprint name) or open a Blueprint causes the ed ...

Users can create project with name of "Stack" which causes conflict with existing "Stack.h"

Users can create project with existing name of "Slack" which causes conflict with existing Slack.h. Call stack is log file. ...

Editor crashes when a hot reload is performed on a project that contains a custom User Defined Struct code class

Adding a custom User Defined Struct code class to a project causes the Editor to crash whenever a hot reload is performed on that project. Removing the custom User Defined Struct class allows hot re ...

EQS Generators named "NewBlueprint" cause errors and crash

Naming an EnvQueryGenerator_BlueprintBase derived BP "NewBlueprint" and deleting it causes new custom generators to not appear in the EQS. This can also lead to a crash when searching for the new ge ...

Editor crashed on opening level blueprint

I've been unable to reproduce this issue. Once only occurrence so far. I did some other things inside the level in between these steps like pressing play and copying, rotating, deleting objects in ...

Crash on attempt to clear(NullifyInstance) of duplicated Hierachial Instanced Static Mesh

When creating an C++ Actor with a Hierarchical Instanced Static mesh. when duplicating such an actor with mesh instances, the instances are not visible on the level. In this state, calling HISM comp ...

New VR-Basic level triggers Metal validation layer assertion

This was discovered externally and reported on UDN here: https://udn.unrealengine.com/questions/563268/mac-editor-crash-when-disable-ambient-occlusion.html ...