More than 1600 school staff received the wrong wages in the first pay period of the year, a report into the Novopay debacle has revealed.
According to auditors PricewaterhouseCoopers, 552 staff were not paid, 521 were overpaid and 589 underpaid.
They came from 628 schools - a quarter - across the country.
Those affected made up 2.2 per cent of the total payroll. Teachers were paid again on Wednesday (known as pay period 24) - and the Government has asked for another report.
Novopay Minister Steven Joyce said early indications are there was ''a similar level of issues'' with this week's round. And he stressed it will ''take some time to resolve."
Joyce said under-fire provider Talent2 is planning the first of three software upgrades this weekend. The next two will come in March and April. These are designed to address ''the most significant bugs in the system''.
A draft technical audit from consultancy Deloittes is also due next week, which will determine if Novopay's flaws are terminal. But Joyce has asked for more details, delaying the final results of the audit.
Education ministry officials are also working on providing extra support to affected schools.
''I appreciate the on-going issues with Novopay are hugely frustrating for the school sector and I want to thank administrators and other staff for their patience and hard work,'' Joyce said.
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