Enable Fortnite 2FA?

I used to play Fortnite on Xbox one and activated the 2 FA. To activate the 2 FA you had to link your Xbox account with your epicgames account. Therefore you had to enter an email address. Now I'm playing on the Playstation and want to activate the 2 FA again. When I wanted to activate it it said I should enter an email and when I entered it it was said that there's already an epicgames account with this email address.

Can anyone help? I would be very happy.

So you can't register via 2fa if you have already entered the e-mail at the x box you need the one your mother / father entered so ask them

OK thanks

You're welcome