ABSA Credit Card - what is going on with your client service?

I am currently in the USA. Before I left SA I asked whether I should get a new Credit Card and was told no, as mine only expires in 2021. Just when we arrived on US I get a text message to say a courier company is trying to deliver my new card. Turns out ABSA decided to change all their Master cards to VIsa without informing their clients (well, not me anyway). I have been an ABSA client for more than 20 years. I contacted their client center on email and was told that they changed Master to Visa and issued an new credit card, but that I can use the current one until it expires, which I chose to do. But now I can't see the transactions being processed on my credit card when I look on my Banking App or even online. I even tried to pull statements online and it doesn't show my current transactions. I was in correspondence with ABSA's contact center regarding this issue for some time now and it still hasn't been resolved, even though I asked that they escalate it to a manager. This is the worst service I have ever come across from any bank in SA and I have accounts at 3 of them. Capitec is by far the best!