You can approach the issuer and ask the issuer to reissue it correctly. If the issuer of the Form 1099 has already sent it to the IRS, ask for a “corrected” Form 1099.
Q. Do distributions marked as IRA/SEP/SIMPLE with Code 7 on a 1099-R fall under the pension exclusion? — Doing my taxes A. We're glad to see you're working on your tax returns. The New Jersey pension ...