You need to include salary sacrifice amount as part of your earnings and also include it in Super as well. This way the "Salary Sacrifice" amount will be correctly reduced from the earnings before tax and then add up to the super contribution.
Step 1: Go to "Pay Runs" and select the relevant pay run which you want to edit
Step 2: Click on the blue colour drop-down button next to employee's "Net Pay"
Step 3: Enter "Super Sacrifice" value and click on "save"
Note: You need to include salary sacrifice amount as part of your earnings and then include it as a Salary Sacrifice amount within Super as well.
Step 7: Click on "Save" to save updated values
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