refuse to resolve queries

Good day, I submitted a claim and it was rejected due to the fact that they didn't received my Feb premium .I've changed my banks and on the 18th of Feb i received a SMS from first for women stating i should press 1 to initiate a immediate debit order which i did and i have proof of but they refuse to take responsibility and accountability.

I've spoken to three different consultants without any success as if they are hired not to assist .

I regret taking out a policy a policy