Paid up order not cleared on Payflex account

I have been using Payflex for about a year now and had a great experience with their service until recently when I paid up an order before the expected date. My order was scheduled to be paid up on 20 October 2024 but I paid it up on 20 September 2024. I always get confirmation of payment after every payment. I didn't get the confirmation email this time so, I contacted their customer care to enquire about this. I received a an automated email and after sending a couple of emails and agent by the name of Siyabonga sent me an email requesting that I send proof of payment, which was my bank statement, which clearly shows the dates and amounts I paid. I didn't get a response or any further communication from Siyabonga. This afternoon, 25 September 2024, I again sent my bank statement with highlighted dates and amounts with my name, ID number, cellphone number, order in question number to the Payflex customer care but didn't get any response from their team. I am very disappointed in their customer care. I paid up the order in question, it should be cleared from my Payflex account.