Double debits and TERRIBLE service.

Fnb debited my account for the same amount twice last month and the month before. I app**** for Covid relief for three months, they only covered two because of these double debits. I phoned them, it seems to be no one's department. Then I tried secure chat - I couldn't be helped. Then I logged a debit order dispute, no feedback. Terrible that in these times they don't care about their customers. How are we supposed to survive like this???