When retrieving RPNs or processing a payroll submission, you may receive an error message. We've put together a list of the common errors that you may receive.
| Submission error | Details | Solution |
| The pay date must be within the specified tax year | This appears when the Pay Date is not correct in the Set Period window. This is unacceptable to Revenue. | Enter a 2026 pay date and pay your employees before the end of the calendar year. |
| Out of Date RPN | Revenue are investigating this issue. | We will provide an update as soon as we have any further information. |
| Invalid tax year selected. Tax year cannot be before the current year | This occurs when the RPN is not for the current tax year. | Check with ROS. They cannot send an RPN that is not for the current year. |
| Bad request. Invalid path, parameter or value supplied | This indicates ROS are experiencing issues with their service. | To check the current ROS status, please view our status page. |
| Cert is not active | This appears if the digital certificate you're using isn't active. | You need to download a new copy of the certificate. |
| The employment ID is missing | This appears if no employment ID is in the employee details for one or more employees. Revenue needs every employee to have an employment ID. | Select the Employees tab. Check each record and make sure all employees have an employment ID. |
| Employer Registration number not found | You have the wrong employer registration number in the company details. | Check that the employer registration number is correct. |
| Duplicate LineItemID across the payroll run | If Revenue have received duplicate information on the submission. This may be due to
| Log on to your Revenue account. Review the information reported and correct this if required. Duplicate line items are duplicates of information already submitted, so no action is needed. Revenue will exclude that duplication. You need to ensure that this is the case for each report of this error. |
| The PPS Number has failed checksum validation | You receive this message if any employees have an invalid PPS number. | There's a PPS number checker available on Revenue's website. |
| Cert does not have appropriate permissions | Ensure that you're using the correct digital certificate. | Check if the certificate is the correct one. Log into Revenue's website using that certificate. Check all relevant details for the company. You may need to download a new copy of the certificate. |
| An unexpected issue has occurred while validating your payroll submission (Error code:400) | Your Internet connection or the Revenue website are experiencing difficulties. | Check your Internet connection. Can you connect to Revenue's website? Check the relevant PAYE Modernisation section. If any of these are offline, try again later. |
| The date of birth must not be in the future | This appears when a date of birth for an employee is a date in the future. | Check the correct date of birth is in the employee record. |
| No details found for the payroll SubmissionID requested | This is due to Revenue experiencing issues accepting Check Requests. | Check with Revenue for more information. |