Unreal Engine Issues
Unreal Engine Issues
Crash when moving landscape that contains landscape spline to sub-level
UE - LD & Modeling - Terrain - Landscape - Aug 4, 2017Crash when moving landscape that contains a landscape spline to another sub-level. User Description: The Editor crashes on copy and pasting a landscape spline over to another Level. Always rememb ...
Engine crashed during Animation Blueprint compilation with Blend Multi node
OLD - Anim - Nov 30, 2018Engine crashes if Blend Multi node output is connected to final transition node, and no input is connected to Blend Multi node input parameters. [Image Removed] ...
Crash when using Set Collision Response on a Destructible component
UE - Simulation - Physics - Destruction - Dec 20, 2016Crash when using Set Collision Response on a Destructible component. The repro is using the Construction Script but this also happens using Event Begin Play in the Event Graph on play. It crashing ...
Exception Crash When Moving Files
Tools - Apr 8, 2020Moving files to a sub-folder crashes the editor. ...
Crash when creating nested child actors
UE - Gameplay - Blueprint Compiler - Aug 18, 2020Setting the root of the furthest child actor results in a crash after pressing compile on the blueprint. Example project: [Link Removed] ...
"StaticFindFirstObject: Ambiguous object name" on delegates with timelines in packed level actors
UE - World Creation - Worldbuilding Tools - Level Instances - Jan 31, 2024Bone names of ~100 characters or longer crash the editor when baking to control rig
UE - Anim - Rigging - Control Rig - May 15, 2025This is an issue with inconsistencies over rig names and how control names are generated. We expect that a control name will be appended with _CONTROL or _CURVE_CONTROL. But because URigHierarchy: ...
Using a struct to set a button style causes a crash
UE - Gameplay - Blueprint - Mar 17, 2015If a struct is give a button style as one of its variables and then that variable is in turn used to set the button style of a button widget the editor will crash when trying to save ...
Crash after deleting Editor Utility Widget and accessing it from Window menu
Tools - Feb 25, 2019Crash after deleting Editor Utility Widget and accessing from Window menu ...
Editor crash while saving asset during cook operation
UE - Foundation - Data Pipeline - Cooker - Apr 2, 2025It is possible to experience an editor crash in 5.5.4 when the cook process generates a warning that references an asset while the editor is saving. It seems that during a save operation, the code t ...