There could be a few reasons for the indication of the error:
1. Check if the entry of the employee information that includes NRIC/FIN No. are correct
2. Check if the advice code entered is correct.
3. Check if the Business Registration No. and the CPF Submission No. are correct.
4. The above reasons for the error are not exhaustive, thus if you still face a problem with the file submission, please contact our office line for further assistance or send us an email to firstname.lastname@example.org.