Eazi Recharge service suddenly not working

Why is your Eazi Recharge feature not working suddenly? My recharges have been unsuccessful for the past two days.

Your call centre agent says it's a bank failure, but according to my bank it's an error on MTN's side, because I've been able to successfully recharge via my bank's mobile app.

I'm getting the following error message: "MTN Eazi Recharge. Your airtime for R*.* purchase for ********** was unsuccessful. Please dial *136*10*1# to resume your purchase. Please try again later"

I cannot wait to convert to another service provider...