Auto-Enrolment (MyFutureFund) Direct Submission Errors
Auto-Enrolment (MyFutureFund) is a new feature; please feel free to provide feedback by clicking on the NEW label.
This page deals with possible errors related to direct submissions for auto-enrolment and MyFutureFund. Please refer to the Auto-Enrolment (MyFutureFund) and Auto-Enrolment (MyFutureFund) Direct Submission Guidelines help pages for general information and submission guidelines.
For more information on possible errors related to manual uploads, please refer to this page.
The following table contains information about error codes and messages you might receive while doing your submission directly on SimplePay. Identify the relevant error code or message, and then follow the suggested steps.
| Error Code | Error Message | Suggested Resolution |
|---|---|---|
| MFFERR005 | Participant PPSN could not be found for the given Employer Registration Number. | Confirm the accuracy of the PPSN of the employee under Basic Info. If correct, please contact NAERSA. |
| MFFERR008 | First Name must not exceed 50 characters. | Check the First Names field under the employee's Basic Info. |
| MFFERR011 | Family Name must not exceed 50 characters. | Check the Last Name field under the employee's Basic Info. |
| MFFERR020 | For the same employer and tax year, each submission must have a unique combination of payroll run reference and submissionID. | Contact Support. |
| MFFERR021 | PPSN is missing. | Ensure that the PPSN field has been completed for the employee under Basic Info. |
| MFFERR022 | Employment ID is missing. | Contact Support. |
| MFFERR023 | AEPN is missing. | Contact Support. |
| MFFERR024 | Pay Date is missing. | Contact Support. |
| MFFERR025 | Gross Pay is missing. | Contact Support. |
| MFFERR026 | Employee Contribution is missing. | Contact Support. |
| MFFERR027 | Employer Contribution is missing. | Contact Support. |
| MFFERR028 | File Date is missing. | Contact Support. |
| MFFERR032 | Line Item Id is missing. | Contact Support. |
| MFFERR033 | Each of the following should be unique across submissions: Payroll Run Reference, Tax Year, Employer Registration Number, and Line Item ID. | Contact Support. |
| MFFERR035 | Employment ID is not valid. | Contact Support. |
| MFFERR036 | Frequency is missing. | Contact Support. |
| MFFERR037 | Frequency should be within allowed values. | Contact Support. |
| MFFERR038 | AEPN format is not correct. | Contact Support. |
| MFFERR039 | AEPN Download Time is missing. | Contact Support. |
| MFFERR040 | AEPN Download Time format is not correct. | Contact Support. |
| MFFERR041 | Gross Pay format is not correct. | Contact Support. |
| MFFERR043 | Employer Contribution format is not correct. | Contact Support. |
| MFFERR044 | Employer contribution amount is not matching based on the contribution amount derived with respect to contribution rate as on aepnDownloadDateTime. | Contact Support. |
| MFFERR045 | Employee Contribution format is not correct. | Contact Support. |
| MFFERR047 | Exit Date format is not correct. | Contact Support. |
| MFFERR049 | Pay Date format is not correct. | Contact Support. |
| MFFERR094 | Each lineitemID must be unique when reporting multiple line items for a PPSN. | Contact Support. |
| MFFERR095 | A payroll submission must contain at least one payslip or Line Item ID to delete. | Contact Support. |
| MFFERR096 | Employment ID required for specified PPSN. | Ensure that you have entered the Employer Registration Number in the PAYE Registered Number field on the Employer Filing Details screen. |
| MFFERR097 | Employer Registration Number format is not correct. | Check that the PAYE Registered Number is correct and does not contain any spaces or symbols. If correct, please contact Support. |
| MFFERR098 | The batch number value for submission must be greater than 0. | Contact Support. |
| MFFERR099 | The window for accepting alterations for this payroll is closed and alterations cannot be accepted anymore. | Please contact NAERSA. |
| MFFERR100 | Previous Line Item ID is not valid for the following fields: Employer Registration Number, Payroll Run Reference and/or Tax Year. | Contact Support. |
| MFFERR101 | The deleted line item ID could not be found. This may be because it was never successfully submitted in the first place, or because no matching ID was located using the provided Employer Registration Number, Payroll Run Reference, and Tax Year. | Contact Support. |
| MFFERR102 | linkTaxYear, linkPayrollRunReference, and linkLineItemID fields are mandatory and must not be left blank. | Contact Support. |
| MFFERR105 | Contribution pay date must be on or after enrolment date. | Ensure that contributions are not being made for periods prior to enrolment. |
| MFFERR106 | Paydate for the contribution must be on or after the MyFutureFund go live date. | The pay date must be on or after 1 January 2026. |
| MFFERR120 | Duplicate Delete Line item id cannot be entered. | Contact Support. |
| MFFERR121 | Delete line item request already submitted for the same payroll run reference. | Contact Support. |
| MFFINTERR0001 | Invalid requestType. | Contact Support. |
| MFFINTERR0002 | Invalid fileDate format. | Contact Support. |
| MFFINTERR0003 | Invalid taxYear. | Ensure that you are not making submissions for periods prior to the 2026 tax year. |
| MFFINTERR0004 | Invalid employerReg. | Confirm the accuracy of the Employer Registration Number you entered in the PAYE Registered Number field on the Employer Filing Details screen. |
| MFFINTERR0005 | Invalid payrollRunReference. | Contact Support. |
| MFFINTERR0006 | Invalid submissionID. | Contact Support. |
| MFFINTERR0008 | The number of records included in a contribution upload must fall within the range of 1 to 12,000. | Contact Support. |
| MFFINTERR0103 | Mandatory Field Missing: taxYear. | Contact Support |
| MFFINTERR0104 | Mandatory Field Missing: employerReg. | Ensure that you have entered the Employer Registration Number in the PAYE Registered Number field on the Employer Filing Details screen. |
| MFFINTERR0105 | Mandatory Field Missing: payrollRunReference. | Contact Support. |
| MFFINTERR0106 | Mandatory Field Missing: submissionID. | Contact Support. |
| MFFWAR002 | AEPN not matched for the records available in the system. | Ensure that there is no significant delay in submitting contribution data to NAERSA after running payroll. |
| MFFWAR004 | Sepa DD Mandate is not set up for the employer. | Please set up the direct debit mandate on the MyFutureFund portal. |
| UNEX | Uploaded file content is NOT as per contribution submission specification. | Contact Support. |
If the suggested resolution is to contact NAERSA, you can find their contact details as an FAQ here.