Unsolved issues

The Tfg the handed over my account into their lawyers and I made all the payment last year on February 2023 but my account says I'm still in arrears when I called them they keep on saying they need proof from their lawyers..when I called their lawyers they say their a no longer doing paid up latter's for Tfg I'm very Disappointed and angry at the same time..I regret the day I open the account with TFG