there is no problem with the editor, but I am having problems after packing it to android, the leveller does not appear, it becomes white, only the widgets appear
this is in the editor:
this is on the phone:
I would be glad if you could help 
Greetings @PrQCoX !
Welcome to the Unreal Engine community! 
Just so you’re aware, this topic has been moved from the International forum category to the Development - Rendering forum category.
Just remember, when posting, please review the categories to ensure your topic is posted in the most relevant space.
Wishing you the best in a resolution to the problem you’re having,
Your Friendly Neighborhood Moderator 
Hello PrQCoX,
Is this an image you put in the background?