Capitec can't reverse transactions made in error, wait 14 days

I made extra payment in error to one of my beneficiaries, when I called Capitec bank to request a reversal of an extra payment I was told it cannot happen immediately or in less than 7 day, I have to wait 14 days. I joined this bank thinking it offers better service compared to competition. For so many years they can't get it right like other banks who r able to reverse funds in a few hours if not immediately? If I didn't know the beneficiary it means I get to lose as time passes. The lady at customer was cold when I explained my situation. This waiting period impacts my credit rating from unpaid debits due to funds not being available. Pls Capitec bank look into improving this process, 14 days for funds reversals is a long time..aaaaargh! I must go apply for loan in the meantime..