Bad bad service

We received this SMS : Your WOOLWORTHS acc pmnt is now due. Pls pay R***XX on 25JUN2019 urgently as promised. Acc: *********X. Call MBD on ***

We paid this amount and then called MBD who advised that they will send a letter to Woolworths advising them that the account is paid. After several calls and frustrating call centre staff this is still not done! Please can someone assist??????????????