Crash when widget is replaced and no longer valid

see udn.

1. Create a widget blueprint
2. Add a button and assign a material, animate the color parameter
3. Replace the widget in the hierarchy

[UE-23848] Bug Status

Fix UE-51650

i have this problem UE4CC-Windows-58DC12AF4B97F057BD108FBFF569B2E9_0000

I am not able to find world outliner how to enable it?

Undefined sysmbol: typeinfo for AActor when cross-compile linux dedicated server on windows

Delay nodes occasionally don't fire the "Completed" output in a nativized build

How can i modify the param name in EQS node

Bonjour j'ai un petit problème c'est que je ne vois plus l'onglet "scability" pour changer les graphismes de uefn et j'ai pas trouvé l'option pour le faire revenir ?

How to achieve HLSL Multiple Render Target in Material blueprints?

Error UE5 5.0.3