Settlement

I have a serious problem, my accounts were settled 2 weeks back an settlement amount was paid full in both accounts an i over paid with R220 which i withdrew, my problem is now on my 24 months i see it says R188 due but i dont understand were is it coming from i send complain but im being told to send proof of payment , why must i send priof of payment to payment whichbis reflecting on your statements already

2 nd i only owe you guys R35 but im being told instalment is R1500 for December where does the R1500 come from? Can my account be sorted out please as this is affecting me negatively