vodacom airtime

On friday 27/03/2015 i recharge *** my phone and the next minute my airtime was gone when i check balance is zero zero i dont understand what happened with my airtime what kind of business vodacome is having with us as they customers i was so ****ed off because i had urgent call to make.....vodacome must treat they customer fairly this is not acceptable at all after i called call centre the lady who was assissting me say i must call afer two hour they dont know what happened with my airtime and they system is not yet updated