i had a credit card w/ old navy in 2006. i paid it off with mid america and they used "pay my bill" company. i have proof that i paid it, bank statements. i was receiving calls from a dan hollister about a debt with this old navy card. when i call to talk to him, DAN HOLLISTER, it is always a man, but a different voice. and the company he works for, ruben and yates, wants me to pay the account again. my "proof" is not proof according to them! even though i have confermation numbers of payments and reference numbers! please help me!!