Credit Karma Says I Have A Mortgage Loan Opened?

I joined credit karma today to get a credit check. I put in my social and it said "You may have a Mortgage Loan opened around march 2015''… Im a 100 percent that i don't. Have sumine used my identification?It also says i have a car loan and it listed my dealer ship place which iss true… But the mortgage loan is false

Read more: Credit Karma Says I Have A Mortgage Loan Opened?