visit the BuddyAuth site and kill whatever sessions are still logged in. Home Page - Buddy Auth Portal
Please go to Home Page - Buddy Auth Portal and register with the email account that you used when you purchased the bot and your key should be there. You can also kill active sessions hanging on the server from there. If not, please send an email to support@thebuddyforum.com with your name, email, and payment information so that we can get the issue resolved.