Apex Legends won’t start after latest update

When I went into apex it’s said something about a teen account and to upgrade it but when I tried to put in my email it keeps saying that is is a duplicate but it is the one I use for the account and I try to put different ones but it doesn’t let me and it says a email that I don’t have and I can’t do anything it just keeps me on the page and won’t let me get out of the page plsss help I want my account back