Disappointed

Fnb is messing with my credit records straight, called on the 27th to stop my debit orders as I was aware I won't have sufficient funds..the lady I spoke to advised it was stopped to my suprise every week they trying to debit and have unpaid fees of more than 900 this is insane...couldn't pay debit order of 170 and they think I'll pay 900 this is the height of it all last month it was ***** now this ...iv never had such a poor service in my life