very dissapointed

i am dissapointed at how capitec is handling my case, my file was handed over to GVDM, i made an arrangement with them to pay and i was in the process of discussing a settlement amount so i can settle the debt. i am now told that my account was handed over to another collection company, and that my debit order is now cancelled. I honestly dont know what this means for me and why my matter is now handed over to a new company?? can someone please explain this to me. the other thing is that the balance and amounts keep changing, i settled one account last year already and the account should have been changed, but now im advised i owe the same amount i already settled. because there were changes with the capited system. this is such an incovenience, who do i discuss a settlement plan with now, who is in charge of my account? are the amounts going to change again? please advise