Too delayed, no response

It's been over 7 years, I sent all paid up letters received from March 2022 iam trying to get debt busters to remove mmy name Only 1 account exist on my credit profile dcm handed over 2018 never called me once or rep**** to my email disputed I owe R3600. 1 account yet debt busters insist on All paid up or percribed letters which some creditors just don't submit. What more can I do as I have tried thru out 2022