collect wrong debt

To Whom It May Concern
Since April,2008 I've been sending a lot's of complaints concerning Unlawfull Repo.     The Mission Federal Credit Union send some agent to repo the (2000 Chevy Cavalier) on the grounds that they did not received any payments since January of 2008, Feb, and March of 2008.   I told them to check with the bank because I have 2 receipts one in feb,10.08 for 2 payments and another one in april 2008 also payment of 2 monthd.   they stated that I am lying and who come it did not show payment on their records.   Now I have a collecting agency demanding a payment of ($4,797,59) the contract of the car was for 5 years since Feb,2006 every month was paid until they repo the car From April08 I did not make any payment (I don;t have the car)
If you can't help me with this issue, please direct me to the righ place who can help me??

thank you

lilian meyers
lelo_meyers@yahoo.com
619-749-3415  cell
610-749-6883  office