R279

On Sunday 29 Nov 2015, I loaded a Voucher of R279, after I Loaded the voucher it said already in use,after the recharge I throw the slip away,top tv send me a letter on a sms and said your service will expired on the 8 of desember,I went back to pep and reprinted the slip, and top tv said they want the serial number that shows on the slip but it don't appear on the slip,in the meantime I'm losing some money R279