Hello @dandayrob - welcome to the Dropbox Community!
As you're now accessing a new, personal account it's normal that you don't have any file history.
Do you have access to the email address you used for the business account you were the admin of?
If you do, please go ahead and log a ticket with our Support team to discuss your options at the moment: https
/www.dropbox.com/support
If there's anything I can do in the meantime, please let me know Dan!