Account in arrears even though I pay my account

Can someone please assist with getting the balance of my account. It has been a constant back and forth with me having to call and email Edgars and I have not been getting any feedback. The balance on my account was R3528 on 22 February 2020. I have been paying my account every month and the following payments have been made: R770 Edgars Vangate Mall R700 Checkers R770 Checkers R500 Edgars Vangate Mall R200 Jet Vangate Mall However I am still getting SMS's and calls for my account being arrears. The customer service at Edgars has been very bad and I have been a very loyal customer all these years. Could someone please look into this and get back to me