Why is Duo disabled when I want to play Duo with a friend (Fortnite)?

Ma
2

I would like to play duo but it is deactivated for me, why? All other game modes are only not possible as a duo and we're only 2

Sa
-2

The gaming god means well with you, that means you should delete the game

Gu

Nooo! Significa che hai un bug prova a aggiornare fortnite(: