Hello and welcome to the Community, Patrick106
We're aware of reports of this error which is affecting some companies on Core Payroll.
Our engineering team are currently working on fixing the issue and are making good progress towards a resolution. I can see that you have recently been added to the investigation (with reference INV-112411) as an impacted user, and updates will be sent to you by email.
Thank you for your patience and understanding in the meantime. We'll be here if you need any further support.