EXTREMELY DISSAPOINTED VODACOM CUSTOMER

I have been unable to buy Vodacom Airtime on Vodacom's website since December 2015. I would like to buy the Airtime on Vodacom's website an pay with my bank card as you then get 5% extra airtime... I have contacted Vodacom on 18 December and they opened up a service request no: A1-XF7T-N6V1HN. I also Visited a Vodacom store in Eastgate in the Afternoon to try and solve the problem but, I was told that my service request had been closed by Craig-Paul Solomons... I tried to buy Airtime on the website again today but, I am still unable... It doesn't give me an option to select airtime on the drop down menu... It only shows Bundles and no Airtime...