Barca B promoted using the editor?

Basically ive been trying to work out how to get Barcelona B to allow them to get promoted? surely there must be a way to do this using the editor?

I realise some people will be hating on this idea, but i would just like to have a go at managing the B team and see if i could conquer Europe and be better than the first team.

Hopefully someone can help

I'm not familiar with the rules around Spanish football, but i am pretty sure you can;t have a B Team playing in the same league as the First Team.

Not sure how you can get around this using the editor.