Absa - Double charging me on two different accounts.

I recently had two amounts come off both my credit and cheque accounts from the same supplier on two different days:

One off my cheque account on 25 April One off my credit card on 28 April

I was only at the supplier on 25 April and yet I was charged twice.

The supplier supp**** the Nexion statements for all the days from the initial transaction up until the second transaction. My transaction only shows once.

So how come my money was taken off my credit card and cheque account? I would like Absa to answer me on how this has happened on my account. I know there was a data breach so is this part of that? I would like it rectified.

I have all the Nexion statements from the supplier and I would like Absa to review these. Dealing with purchase reversals has been fruitless so far.