Handed over twice to two different lawfirmd

Hellow Peter in 2015 I was handed over to HtN Attorneys by Boodle loans and 09/09/2015i acknowledge and started pay the debt and on the 23/07/2016 wa s my last payment and the account was closed account no 50222724. Few days ago I login on my boodle account I found a legal notice that I was handed in at boodleidalaw on the same matter and I have send boodle my statement with all the payments and when was the account closed the respond is I should contact booldeidalaw to in form them that the amount was closed .I can't be handed twice to two different lawfirm can Hello Peter assistme with Boodle to correct and clear my name