Can't get back to my account

Hi,

I haven't used Bitbucket in a year and when I tried to log back in, I was asked to create a new username. I tried using the one I had before but it said it was already picked. I've put a new one and all my repositories are gone! It's as if I have a new account although I can still see my normal account when I search for it on the web. I just don't have access to it anymore even though I am logging using the correct credentials. I need to have access to my repositories on the web.

I am still able to push and manage my repositories through Sourcetree that I set up a year ago.