Really mtn.... really...

So the following sms I received 7 times today.I fail to understand why.Maybe I can't read well.The last SMS was literally just now 21:26.

Y'ello! We're just checking in to remind you that you'll need to make an MTN cash payment of R 313.4 on Sat Sep 2 00:00:00 2023, using the ref no [=Mobile*Number]. Have a great day!