R10,300 for school fees inside FNB ATM Musgrave

Today 9th of March, 2014, i went to the FNB branch in Musgrave to deposit some money for Cousin schools fees, i got to the ATM to deposit the sum of R10,300, i followed all instruction as usual, the machine was busy counting the money and when i expected a receipt of the deposit, it printed a slip which says \ Your cash deposit was unsuccessful "i waited to get the refund of R10"