The Worst Customer Experience I’ve Ever Received

I settled my accounts and immigrated to London. I accidentally paid for two Uber charges on my ABSA credit card instead of my current debit card because that was the card that was saved on my app, I did not realize this at the time. This obviously put my credit account in the rear. They sent me final notice emails. I have been trying to settle my account for months. I’ve sent and resent hundreds of emails I have only received completely unhelpful responses, the amount I owe changes constantly. I have to send emails over and over again or I get no response, and when I do get responses it’s as if they haven’t even read my email. It’s been about three months of chasing this daily and I have still not been given a way for me to settle the amount. I am beyond frustrated.