Hello there, @mwhip.
Currently, there is an ongoing investigation about the customers who encounters an error when adding historical payroll data. Rest assured that our Engineering Team is dedicated to working for them to implement a solution that will fix this issue.
Please know that this is a top priority for us. It will continue to be so until fully resolved.
As of the moment, we can't tell when this issue will be resolved. Thus, I encourage you to contact our Phone support team. They can add you to our notification list, and you'll receive an email notification once an update is available.
Here’s how:
- Sign in to your QuickBooks Online company.
- Click Help (?)
- Type in your concern.
- Select Contact Us to connect with a live support agent.
- Choose the Start a Chat option.
Before doing so, make sure to check if there are inactive employees with missing information in their profiles. Finish setting up the employees including their address and pay types.
You can then try to add historical payroll data again.
For future reference, you can read this article about the year-end checklist in QuickBooks Online Payroll: Year-end checklist for QuickBooks Online Payroll.
Feel free to comment below if you have questions about QuickBooks Online Payroll history. I'm always here to help. Have a great day.