Absa's incompetence

I'm so disappointed in absa incompetence I keep getting their calls regarding debit order whom they are unable to load i don't know why their system are falling them now they frustrating me in such a way that I now have to do eft instead of them deducting from account and I have arrears due to them not deducting ...im so hurt because all this is heating me badly on my credit record their negligence and system issue is costing my reputation