Wrongful handover to attorneys affecting my credit score for 6 months.

Reported badly with credit bureaus by standard bank wrongly for a duration of 6 months

I have a personal loan with standard bank of which I've been making payments religious without acting against terms agreed upon. Standard bank handed my account over to attorneys, upon the company of attorneys contacting me I asked them how much I owe, they couldn't provide me with the amount claiming it was a wrongful hand over, albeit that being said I received calls from the company (attorneys) regularly from varying people from the company, only for them too declaring wrongful hand over. I contacted standard bank numerous times requesting them to resolve the matter since I feel harrassed by that company with endless calls. Standard bank and the company promised to resolve the matter , it has been almost 6 months and it is still not resolved. I am planning to secure a bond, only to find out that my standard bank loan is reflecting bad on my credit score. I really feel helpless in the hands of standard bank I don't know what to do.