EIC
See this
https://ttlc.intuit.com/community/rejections/help/e-file-reject-ind-046-01-form-8862-is-missing-from-the-tax-return-and-it-is-required-to-be-able-to/00/26189
You'll need to add Form 8862 to your return.
Please use the link below for instructions for how to do that.
LINK for instructions