I’d like to provide some insight into the error you see when submitting the FPS, accounts125.
Several users have reported they're unable to submit the FPS due to the error stated above. This unexpected behavior has already been reported to our engineers and is being worked on with utmost urgency.
We encourage all affected customers to contact our QuickBooks Online (QBO) Payroll Team. One of our specialists will help you sign up for the notification list. You'll be notified via email once there's a development about the investigation.
For additional resources, review the links below for guidance on resolving common payroll issues and error codes, along with instructions for processing the FPS in each payroll version:
We appreciate your patience while we're working through this. The Community is always available to provide the help you need.