To restart your workman's comp application, we have a dedicated team that will help and guide you regarding the error you encountered, Moffatroger.
You can visit this article and head over to the Need help? section to contact our support team: Understanding Workers' Compensation Insurance.
Refer to this article to learn how to assign workers' compensation classes to your employees: Assign a Worker's Comp Class to an Employee in Online Payroll.
If you have further questions regarding your QuickBooks Online Payroll, feel free to reach out to us again.