You cannot add this to next year's tax return, it must be reported this
year. Wait to see if your tax return is accepted or rejected by the IRS.
If it's rejected then you can add the 1099-misc and resubmit the
return. However, if it's accepted you will then need to file an amended
tax return (Form 1040-X, filed by mail). Please read the following:
https://ttlc.intuit.com/replies/3288565
