UNPROFFESSIONAL WITH NO QUALITY & INTEGRITY

Good day Mam /Sir I would like to file a complaint about the flat I am staying at JHC Brickfields. I moved in to the place in August 2020 till to date however in February I was sent a statement where I had queried and I was sent a ledger to go through and see which payment is not reflecting. I did go through it and had picked up an amount of R3200 and hat was not allocated to my account and they had said they fixed it and sent me another ledger which had a balance of R3666. Today I am told that I am owing them R7000 which I fail to understand as I had not missed any payment from April excluding the balance. This is inconveniencing me as every month my lights get switched off or I get locked outside as their system is faulty. I