The account was created in 2014 and has two feedback -- one in 2014 and one in 2019. Check the feedback page to see if you recognize the transactions.
You may have created a new account by signing in with Google or Facebook for the first time on a new device instead of linking to an existing account. Or the account may belong to someone else you let use your device.
Try signing out and signing back in using your usual username and feedback.
