▁Agency ▁– ▁also ▁all ▁ad vised ▁the ▁system ▁should ▁go ▁ahead . ▁ ▁Error s ▁▁ ▁In ▁the ▁first ▁pay round ▁of ▁the ▁new ▁system , ▁ 5 0 0 0 ▁school ▁staff ▁were ▁under pa id ▁( 5 . 0 5 %) ▁and ▁ 1 5 ▁were ▁not ▁paid ▁at ▁all . ▁International ▁aud itors , ▁Del o itte , ▁recomm ends ▁the ▁error ▁rate ▁should ▁be ▁consist ently ▁below ▁ 1 % ▁in ▁such ▁systems . ▁However , ▁Nov op ay ▁has ▁been ▁problem atic ▁on ▁each ▁success ive ▁pay round ▁with ▁thousands ▁of ▁school ▁staff ▁finding ▁dis cre pan cies ▁in ▁their ▁pay . ▁Some ▁teachers ▁were ▁getting ▁paid ▁too ▁much , ▁some ▁not ▁enough , ▁and ▁others ▁nothing ▁at ▁all . ▁One ▁of ▁the ▁bugs ▁in ▁the ▁system ▁caused ▁long ▁or ▁hy phen ated ▁names ▁to ▁appear ▁twice ▁in ▁the ▁pay roll . ▁ ▁In ▁the ▁pay ▁period ▁ 9 ▁Jan ▁ 2 0 1 3 ▁through ▁to ▁ 2 2 ▁Jan ▁ 2 0 1 3 , ▁$ 1 3 9 ▁million ▁was ▁the ▁total ▁gross ▁pay roll , ▁ 1 7 6 ▁were ▁under pa id ▁or ▁not ▁paid , ▁giving ▁an ▁error ▁rate ▁of ▁ 0 . 2 9 % ▁according ▁to ▁the ▁Ministry . ▁This ▁figure ▁does ▁not ▁include ▁teachers ▁who ▁were ▁over pa id . ▁ ▁Conc ern s ▁were ▁raised ▁that ▁Nov op ay ▁also ▁committed ▁bre aches ▁of ▁priv acy ▁by ▁giving ▁teachers ’ ▁personal ▁information , ▁including ▁bank ▁account ▁details ,