Capitec charged me but I ddnt receive the airtime

I recently paid a beneficiary using the Capitec banking app. It said an error occurred it ddnt go through today I purchased airtime it said error I tried again it said error and I didn't receive the airtime the third time I got the airtime, I just saw on my statement that I was charged for all 3 transactions yet I didn't receive anything. I would like my money to be paid back to me.