Poor service Robbing customers

In the month of July i made loan and asked the consultant at the bank what was the balance of the covid relieve loan he said the balance on my app that is the amount i need to pay, well i paid that amount,

then now in August i received some funds to settle the loan i made , once again i went to the bank to ask the balance due they advise its the amount on my app , the amount due after service and interest accumulated was R60400 I paid that amount the loan balance was on zer on on the app and dispear from my home screen. Now today an amount went off from my bank account For R1279.53 i need to know why as the amount went off and when will this be credit to my bank account