RCS need to stop harrassing good customers before they loose them

i got a makro rcs card and my payments are on debit order that o off on the 6th of every month. Every month i am harrassed by RCS. I am not in arrears and my monthly payment does go off so its all ok on my end. But i get calls saying i havent paid yet and someone phoned me yesterday to harrass me AGAIN after i explain every other month when they call that i GOT A DEBIT ORDER GOING OFF ON THE 6TH OF EVERY MONTH !! it still does not get corrected. Todau get a threatening sms saying im going to be reported to the credit bureau. im so sick and tired of this. If it continues i am going to actually go to the police and report this harrassment and sue RCS. I dont need your BS when im paying and not in arrears. I never set the date for my debit order.. RCS did and just a FYI accounts are usually paid by the 7th before you start harrassing people. I think i should report you guys to the south african consumer council, I am sick of this monthly harrassing accusations from RCS when i have been a loyal customer for over 19 years and went into arrears once by accident which was corrected like immediately upon finding out. so carry on harrassing me and i will take RCS to court and sue for defimation of character and emotional damages.