Ocwen Loan Services FCI this compay , did not give me credit on my payments of $35000.00 , accouunt # xx, this is part of th GMAC issue Phoenix Arizona

HELLO , GMAC AND OCWEN TRAINSFER OF ACCOUNT , DID NOT GIVE ME CREDIT ON MY PAYMENT ON A MORTGAGE , ON 170 CROOKED OAK DRIVE . KILLEEN , TEXAS , NO CREDIT WAS GIVEN SINCE 2010 , WHICH PEOPLE OF FCI TOLD ME THAT , 

I OWE $ 40,000.00 SINCE 2010 , SHOWING NO PAYMENTS , I HAVE PROOF OF ALL PAYMENTS MY BANK , USSA HAS SENT AND A COPY WHERE ALL OTHER PAYMENTS WERE GIVEN TO GMAC . SINCE 2010 , I HAVE PAID $35,000.00  TO THIS SAME 

ACCOUNT NUMBER IS 7421203688 SAME FOR GMAC AND OCWEN . WHAT CAN I DO TO FIX THIS MESS , I AM ON RETIREMENT PAY AND THIS JUST , PUT ME IN A VERY BIG HOLE , NOW ???