ABSA APP CHECK

I like the bank together with your service. I have been your one of customers for many year.most of the things seems to be smooth,but this phone app thing hayi hayi cha.trèe months back I payed some one using the app for two months.the on the third month the guy phoned me and complained that he have been not receiving my payment for two months.what warriors me is that the account is right and I also have a prof of payment on my app.but he didn't get anything.and my money was deducted to show for payment to someone who didn't receive it.i would like you guy's to please check this app thing before we lost thousands of rands.thank you in advance