When press "New Game" the game start. Why?

I Making a menu and all buttons work except the “New Game”
When i click new game the game start but the menu still there

My menu blueprint

And this is my lvl blueprint

I search is forum and youtube and for then works but for me don’t

When you swap levels use the Remove all Widgets node before you add your create widgets, if you have any new widgets. Otherwise just add remove all widgets. Hope that helps.