Rain wifi/internet robbing people with payments

I have an account with rain and I have paid my account as ussual on the 25th of everymonth.I paid on the 25th of October and today they disconnected my services and when I check with them they say I must pay R589 which is suppose to be due on the 25th of November today because their system generates payment for November.I asked them how can they disconnect me for payment that is due 25th November they say its their system and if I dont pay I will be without services.I told them I cant pay 2 instalments in one month they still refusing.Im now stuck withuot internet I cant work kids cant watch tv as if Im owing them and I dont.Im cut because Im refusing to pay instalment that is due on the 25th November.And when I log into my rain app it shows payments are up to date.Their agents are also rude they dont care about customer service they are only interested in money that I dont owe.People just be careful of Rain wifi.