Finchoice is a big big ****

I am so disappointed at Finchoice. After so many years of doing business with them iv never experienced the poor service like the one iv been dealing with with the them this year.iv never regretted doing business with any company like I do with them right now.i sent them an email with proof of document for my new account for them to move my debit order from old account to new account. Gues what since then iv been making manual payments cause they keep saying my account is in arrears. They called me several times I keep telling them my new banking details still no debit orders I make manual payments of which they also charge me more cause their system flag my account in arrears. Last month I made payment on the 27th after a week they called saying I did not pay and had to pay extra R380 cause they did not update my payment on their system. My credit score is affected cause now for the months they did not debit my account is flagged as unpaid.i sent them several emails asking them to submit proper and correct information to experian and clear score they keep asking me to submit transunion report not clear score and experian.today I called them to ask why they didn't debit cause the money is still on my account the call got cut and their collection department did not get back to me even after I advised my airtime might cut the call it low. When I log in to their website I get a message that my account is in arrears I must set new payment method .mind you it is still the 27th but im already flagged as someone who missed payment.after 100s of calls and confirming my pay date and banking details I still get this nonsense of message.