FNB Deliberatley Delaying Transfer

I sold a property last year and FNB was the lender for the buyer. That transfer was also held up by the FNB and they came with all sorts of excuses. This time they have granted two buyers buying from me bonds as well. The conveyancer was ready to lodge weeks ago but the Banks Attorneys keeps making all sorts of excuses for the delay. First they said they had the incorrect property details but its their valuator that came out. Next their attorneys Velile Tinto Cape inc said the bank using a new system that takes 48 hours to upload then 7 days to capture and lodge. Well its a week since everything was captured and still nothing. Now these attorneys Velile Tinto Cape inc are saying there's a backlog on the bank side. Clearly this bank doesn't care about the loss incurred on my(sellers) side. They don't care about the little guy and that every delay is a big loss. If this was a developer or big transfer this would not have happened. FNB along with their transferring attorneys seem totally uninterested and nonchalant about any losses.