I bought Airtime from bank account to MTN and it failed I was debited without credited

I bought data and I was debited, but I didn't receive the data The said they refunded the money but I didn't receive it either It's #1500 And I've also requested for...

I recharge airtime of N2,000.00 via myMTN App on 10/09/2024 using Bank Transfer Method of Payment. Transfer was successful but value was not credited to my line 08034502750

I basically bought a digital bundle through the app and when I transfered the money from my bank account, the mtn app refreshed