Vodacom’s online upgrade is useless.

I made an online upgrade on the 26th April for my existing mobile number. It was just a data bundle upgrade. I did not get the data bundle in May as expected, I queried a consultant who said it will only activate in June. It still did not activate in June. When I call into to query I am told it is canceled because they could deliver the SIM card to me. Yet I already have a SIM card all I did was upgrade the data. I left MTN after 15 years of use because of their poor service. Vodacom is expensive compared to other service providers but their service is excellent. This experience really frustrated me. It should be so simple to resolve online but clearly they starting to lose it.