Sending ComboBox Choice Between User Widget Blueprints

Thanks again for the time!

So i changed to Create Widget instead - thanks for picking that up:

Trouble7

I added the Get Validate to troubleshoot:

So it should either Be Not Valid, and Print Not Valid in Red, or it should be Valid, and go to Bees Limit (Target W Main Hud) and Bront Valid in Blue

Unfortunately, i get this:

Trouble8

I put a Print String on each of my Switch on String Pins, and they do work with the Combo Box, they just dont transfer across BPs.