Follow the steps below to rectify this situation.
You will be able to adjust the super account entries by completing a Manual pay run.
Enter the dates of the most recent pay run and add the applicable employee.
Add Salary Sacrifice pay item and enter a negative amount and then add Voluntary Contribution pay item and enter positive amount.
Click on recalculate and view the payslip to ensure the amounts are correct.
To double check, you can run the STP YTD report.
Publish and lodge the pay run so the next super batch picks up the correction.
To correct the YTDs but not lodge to Beam, create a super batch and tick these two entries and close the batch.
Important: By making these changes there are likely to be tax implications that will need to be discussed with the employee.