Band service

I saw there is money in my account but didnt thinknanything of this as indont use the account any more i received a sms of n debt order on that account again showed a availble amount went to the bank to withdraw the money but acording to them there is no money in the account yester same debt order and the availble amount i showed them the sms but according no money in account ??? I dont even have a absa card any more to check at the atm how does it show availble amount but the balanse according to absa shows 0.00 somewere thia does not make sence drove to the bank twice already. Im not sure whats up with absa were is the money showing on sms ??? And why 0.00 this does not even make sence realy wasting time petrol on. A bank not knowing anything