How do you fix on your taxes where the error message reads,"taxpayers number isn't the same as the social security number when filing for an individual?

from the SSA

What should I do if my name and Social Security number do not match Internal Revenue Service records?
Contact us at 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday between 8:00 am and 7:00 pm

if that person is an adult they will need to do the contacting.