SICK AND TIRED

I am sick and tired of this matter I moved out at afcho cavendish in June 2020 I paid my rent each and every month however November 2020 received a statement that I owe them an amount of 11 400 even intending that I did not pay since July how can I pay rent if I am no longer staying there now the are even adding broking counters that was broken when I moved in to my statement I did send emails to them to try and resolve the problem but no one came back to me now I received emails that I am being hand over to saya recoveries for an amount of R12158.66 yes I did not complete my lease but I did give a months notice I am now blacklisted because of this!!!!!