Capitec not responding, cash deposit reversed without satisfactory explanation

I want to know from Capitec how is it that a cash deposit made, at a teller inside a branch, was later reversed on the same day, together with the cash deposit fee, with the description “correction”. Complaint email was sent to *** on 9 April at 13:18. To date no response from Capitec, not even a confirmation of receipt. Trying to escalate is impossible, no one answers for over 45 minutes. Escalating to the CEO escalation line as advertised also impossible as that line is not working. I want an answer, in writing. Will not accept system error as an excuse. If it was a system error the bank should have noticed and corrected immediately without the customer having to log an incident