Hi SuFish,
That $0 pay cheque can sometimes trip up STP though, which is likely why the ATO knocked it back. Good news is this one's pretty fixable. Here's a link that can help you work through the rejection code and get things sorted step-by-step: Fix rejected reports in Single Touch Payroll.
Give that a go and it should get your report back on track. If anything doesn't quite line up or the error sticks around, jump into our live chat support through our virtual assistant, MOCA, or submit a case via My Account and we'll help you dig into it a bit further.
Regards,
Sai