Menu Anchor Spawns Widget Too Small

I Made An Actor which is supposed to spawn a widget under it whenever a button is clicked:

I Also made a widget to go with the anchor which looks like this:

But for some reason when i click the button (v) it looks like this:

That time it set the placement to below.
and another detail: when i press click again but not on the button it goes away on its own.
Got any ideas?