Multiple incorrect fees being taken off

A booking agency tried ONCE to take a payment from my account. This was unexpected; there wasn't enough money in the account for the transaction. A fee was taken off by Captiec for insufficient funds. No problem. Problem comes in that they took the fee off 8 times! The booking agency only tried the payment once, but i am billed 8 separate times for this attempt, even though it was done automatically, via the "card payment network" according to the Whatsapp Capitec "help" line. The fees are apparently system generated. I want all but one of them reversed, which I think is only fair. I have only just opened my Capitec account less than a month ago. If this is the frustrating service I will have to deal with, my account will not last long with them.