Capital One Debt Collection Complaint

Capital One Debt collection department,

Credit card Cont'd attempts collect debt not owed Debt was paid New Jersey

I paid the agreed settlement amount on - -, 2015. I contacted the company and asked for a letter stating the account was paid and closed. The letter I received still states i have a balance with the company and the supervisor ( - - ) I spoke with stated that - sends these letters out this way and I would not receive anything else other than this even though I don not owe a balance.