Save on compile set to always causes a crash on compile

UE - Gameplay - Blueprint - Feb 26, 2016

If the user uses the save on compile feature and attempts to compile a blueprint, this will cause the editor to crash ...

Calling SetMassOverrideInKg in a constructor will crash the engine on launch

UE - Simulation - Physics - Feb 25, 2016

Calling SetMassOverrideInKg reaches back to a "check(GEngine)" call in BodyInstance.cpp (line 2998). B/c of this check, the engine will crash on load if SetMassOverrideInKg is called inside a class ...

Smart Links are Removed During Dynamic NavMesh Regeneration

UE - AI - Feb 24, 2016

Smart links disappear whenever the Nav Mesh regenerates while using Dynamic Runtime Generation. For example, if you have a dynamic object that is constantly moving and causing the Nav Mesh to rebuil ...

Setting Standalone Window Sizes within Editor Preferences not working as Expected

Tools - Feb 24, 2016

While testing the 'Shot' command for a user on the AnswerHub, I discovered the reason for the incorrect resolutions of his screenshots, was due to the fact the 'Standalone' window resolution set wit ...

CL# 2858947 caused a crash when opening a BP in an existing project

UE - Gameplay - Blueprint - Feb 23, 2016

The character blueprint is in Content/Sarlack/Characters/SC_BaseCharacter.uasset. This blueprint is a child of a C++ file. Note from the person who sent me the project: "The skeletal meshes I am us ...

InterpToMovement Component Causes Crash During PIE

UE - Gameplay - Feb 23, 2016

When using an InterpToMovement component in a blueprint with the "Auto Update Tick Registration" and "Auto Register Updated Component" options unchecked, PIE will result in a crash. Found in 4.10. ...

Connecting a Client to a Server in PIE with Auto Connect to Server disabled will crash the editor

UE - Networking - Feb 22, 2016

Connecting a Client to a Server in PIE with Auto Connect to Server disabled will crash the editor. EDIT: simple test project attached. Make sure Auto Connect to Server is disabled, and PIE with 2 p ...

Format Text nodes and split nodes reporting warning that override pins are removed.

UE - Gameplay - Blueprint Editor - Feb 18, 2016

Fallout from CL# 2865330 for [Link Removed], bleedover of the warning to certain intermediately spawned nodes. ...

Crash Occurs in UAIPerceptionSystem::UnregisterSource When Exiting PIE

UE - AI - Feb 17, 2016

User Description: The Perception System crashes when exiting PIE on UAIPerceptionSystem::UnregisterSource. It doesn't check for null sense classes which are there by design I suppose. I transition m ...

Crash Occurs When Attempting to Pass a Struct Containing an int64 into a Blueprint Function

UE - Gameplay - Blueprint - Feb 17, 2016

Attempting to pass a struct containing a variable of a type that is not compatible with blueprints into a blueprint function causes the editor to crash upon PIE. Found in 4.10.2 binary. Reproduced ...