Select STEP 1 - Pay Run.
Select Actions > Edit for the required Pay Run.
Select Missed.
Select Ok to save your changes.
Once Ok is chosen, the Your Pay Run is Currently Loading Warning Message is displayed.
Once the Your Pay Run is Currently Loading Warning Message disappears, select STEP 2 - Payees.
Lastly, select STEP 7 - Notify ATO and refer to How do I post the Pay Run and send my STP Lodgement?