Standard Bank Home Loans - Charges for Life Assurance which was cancelled in 2020

Standard Bank Home Loans are just the worst! I have paid off my Home Loan Bond, and when asking Standard Bank for the Cancellation Figures on my Home Loan, they sent my attorneys a final amount payable. In this amount I am being charged R2500 for Life Assurance which was cancelled in November 2020. When phoning Standard Bank Home Loans they transferred me from the one department to another and I was on the line for a very long time. Eventually I came to the Life Assurance Department and this lady informed me she cannot tell me why I am being charged this amount as she does not know. Then why is she working in the Life Assurance department! She then informed me I need to send an email to *** which I did, and then they rep**** that they also cannot help me and that I need to speak to the Cancellation Department, which put me through to the Home Loans and from there to the Life Assurance Department. So no one in Standard Bank can tell my why I am being charged R2500 for Life Assurance if I cancelled this in 2020. And I am now being sent from the one department to another and nobody in Standard Bank can inform me why I am being charged this amount. And here I am paid off the Home Loan and I cannot get it closed because off Life Assurance being charged. It is rediculous and shocking how '*****' Standard Bank is.