Used/Loaded voucher

I would like to report Pep Cell based at Sheshego Circle polokwane Limpopo province. I brought MTN bundle any network for 30 rand two of them .when I recharge I got error messages that says I'm barred for 24 hours .I tried to call mtn for assistance that is where I found out that the voucher is used /loaded 2025/11/04 08:45