I've recently changed my PayPal email from c•••••••@gmx.at to l••••••••••••@gmail.com. I've fully approved the PayPal email and the account is set up. Though my most recent payment still went to the old account I don't have full access to anymore. I've already submitted a support ticket but maybe someone here knows it better. Here's some screenshots:
https://imgur.com/a/Irn9k
https://imgur.com/a/Irn9k