Under 18 Pay Super won't work with TFN 333 333 333

I am trying to pay my under 18 casual who earns under the threshold for tax but gets paid super.  I have entered the 333 333 333 tax file number for him but pay super won't process as it says i have to enter a valid tax file number?? How do i get around this to pay him super?

So i thought i would do and adjustment pay and reverse the super amount with a zero payslip, which i reported through stp.

But still when i go to pay the super his amount is still there along with a negative amount, that won't let me process because of the tax file number.

Then i thought if i reverse the original pay it might clear it, but no just created another negative super amount.  So i currently have one postive and two negative amounts sitting there.  I obviously have to create a new payslip to correctly record and send through to stp but how do i do that without the amount being recorded coming out of my bank account??

Sorry i know i have really messed this up, any help would be greatly appreciated.