Never before used account

First off all I went into a Standardbank branch to open a cheque account at which point I was told I already have an active account which I opened like 3-4 years ago which I have never used before and also don't even have a card for. The lady then said she will look into getting the account closed for me and the bank fees reversed and I'll be notified when this has happened so I could go ahead with opening my new account. Much to my surprise 2 weeks later I got a call from lawyers saying Standardbank have handed me over for the R1900 in outstanding banking fees(on an account I've never used before) any normal bank would automatically close in inactive account after like 3 months and not hand their customers over to a lawyer for the banking fees. I then refused to pay the outstanding fees, and was told I would be contacted by Standardbank to sort out the issue and once again I didn't hear anything back from them until last night when I got an sms saying my Savings account had been debited with the outstanding fees amount to reduce my \personal loan". What the hell is this you guys only now realized I had an open account when I brought it to your attention and instead of closing the """