How long to rectify my account?

After various calls, sms, store visit, I still get calls to say my account is in arrears.<br> Please rectify NOW!<br> Visited Mall@Redds Saturday 16/5/2015 Ref *** Monceba Recovery HO.<br> Abri Theart <br> <br> PS If you change bank details (On the ABSA Linked Accounts) you should notify us. Not wait for us to make wrong payments and then should at us!