Can fix? The app doesn't allow 07/31/1990 as a valid birthday. As I am born on this day, I can vouch for its existence. I am using Android. The web software allows it.

I feel silly making this a community post, but "Contact Us" gets me nowhere but here.

I am following the dd/mm/yyyy condition, I have tried both entering the / myself and letting the app enter then for me. Both times, says "this is not a valid birthday.