Hi there, @Annoyed2020.

The investigation number 28913 is already closed.

In the meantime, you can add a new time tracking users with a different email address or names used in QBO for the EE or vendor. You can edit your email at accounts.intuit.com. 

It would be a great help if you can add some details on the error you're getting when trying to add a new time tracking user. This way I can provide you some more steps to fix your issue.

You can also read this reference about payroll in QuickBooks Online:    Manage your Payroll in QBO.

Leave a comment below if you need further assistance. I'm always here to help. Stay safe.