Nedbank App Suite - Do not buy prepaid through the prepaid app

I normally purchase all my prepaid airtime and data through the Nedbank app and then go via the main app to buy prepaid. Last night Sunday 12 November 2017 I bought 1Gig for Rq160 through Nedbank Prepaids - this morning Monday 13 November still no data reflecting on my phone - but it is reflecting as having gone off of my account. I phoned MTN they have no record of the purchase. I phone Nedbank and am told - yes, they see the transaction but they need to log a query with MTN which takes 5 days. NOT ACCPEPTABLE AT ALL. Basically Nedbank has messed up with their Prepaids app and us the consumer has to suffer the consequences ie I needed to buy more data while Nedbank fixes the glitch. Why not just credit me the R160 then take it up with Nedbank's IT department - the error is on Nedbank's side why should the client suffer????