Hi, I had a credit card with mbna, ran into difficulties paying in 2011, 2012 I made arrangements with them to pay a certain amount every month. It was sold to avant, then to Cabot. I have kept up payments the last 3 years. Issue I have is last September I asked avant to send me a statement to tell me how much I owed, they did and it was €645, three months later I got a letter from Cabot to say they had take over account and there was €1350 owed. They have sent me a breakdown off statement but will only say that avant sold it to them at €1350 and it must have been a typo. Any advice on where I go with them from here? Cheers