https://ttlc.intuit.com/turbotax-support/en-us/help-article/rejected-tax-return/fix-e-file-reject-f8...
This update worked for my CX. Seems as in TT has a better solution.
See the link for:
What if I wasn't covered at all through the marketplace in 2024?
THis appears to have worked for my CX as she was rejected twice and this third attempt went appears to have been approved for efile.
