Unreal Engine Issues
Unreal Engine Issues
Syncing a texture from source control while a material editor sampling it is open will crash the editor
Tools - Apr 13, 2018Syncing to source control will cause a crash if a texture is synced that is being referenced by an open material editor, even if the texture hasn't been modified. A quick solution may be to close th ...
When welding collision between Third Person UE4 Mannequin's left foot ball, to left foot in physics tab results in an Engine crash.
UE - Simulation - Physics - Jan 30, 2019When using a Third Person UE4 Mannequin, Opening the Physics asset tab, and welding the collision between left foot ball, to left foot results in an Engine crash. Additional Note: Using the same ...
Crash when modifying BP custom event after deleting BP function
UE - Gameplay - Blueprint - Mar 24, 2017If a BP function contains a Create Event node, deleting the function will cause the editor to crash when modifying any custom event of that BP. Regression: No - same behavior occurs in 4.14.3 Binar ...
Crashes when copying an array of actors that implement an interface into an array of interface references
UE - Gameplay - Sep 17, 2019When assigning an array of actors that implement a specific interface to an array of the specific interface the engine crashes. This doesn't happen if the actor array is put through a for each loop ...
Material Editor Assertion Crash When Collapsing Material Attributes
UE - Rendering - Architecture - Materials - Jul 14, 2022Collapsed material attribute nodes cause an editor assertion crash in the material editor when viewed or opened. Assertion failed: (Index >= 0) & (Index < ArrayNum): Array index out of bounds: 0 fr ...
Crash When Assigning a Static Mesh to the "Sample Static Mesh" Module
UE - Niagara - Jun 28, 2018When assigning a static mesh to the "Sample Static Mesh" module, the engine will crash as soon as you select a mesh and click "Fix Now". If the mesh already has CPU access enabled it will crash as s ...
Creating External Curve for a function's local struct variable causes editor to crash
UE - Gameplay - Blueprint - Sep 6, 2016Defining a FRuntimeFloatCurve inside a code based struct causes the editor to crash if the struct is added as a local variable to a blueprint function and the "Create External Curve" button is press ...
.glTF importer crash - UE4Editor-GLTFImporter!ImportStaticMesh
OLD - Enterprise - Nov 14, 2018Enabling the gLTF plugin and trying to import a glTF asset results in a crash. ...
MDL imported from Substance Source with Datasmith causes a crash
UE - Editor - Content Pipeline - Import and Export - Mar 8, 2019MDL downloaded from Substance Source causes a crash. This is reported on UDN by an Enterprise customer: https://udn.unrealengine.com/questions/487598/why-would-ue4-is-always-crashing-when-import ...
Crash when naming function parameter 'none'
UE - Gameplay - Blueprint - Aug 23, 2018Naming a parameter "none" will cause crash on compile. Asset may not be able to be reopened. Also confirmed in Main CL 4309299 ...