Hello everybody. I have an issue that i have finished and packaged my project and when i opened it there is no menu or UI that should have been there. it work fine at “selected viewport” or “new editor window” but when i play “standalone game” or package and play it there is just big black screen. Can you help me please.
sorry i already done it. nothing happened.
When i packaged project i found a lot of " All widgets were invalidated" message
So if anyone have the same issue i solved mine by:
1- Open the widget you are using
2- Go to graph
3-Then open class settings
4- Choose User Widget for Parent Class
5- Do that to all of your widgets
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not helping :C
but for me worked when i changed video from 720p to 1080p 
Thank you very much, your solution solved my problem. 