Error in CGenFF: attype warning: carbon radical, carbocation or carbanion (C7) not supported

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I am using Cgenff for the first time and I tried getting parameters for neoxanthin, a carotenoid. I added hydrogens and generated a mol2 file using chimera. I uploaded the mol2 file in CGenff and my job failed. The log file shows this:

CHARMM General Force Field (CGenFF) program version 4.0
released June 2024
Copyright (C) 2020 SilcBio LLC
and University of Maryland, School of Pharmacy. All Rights Reserved.

Licensed to:
cgenff server
serverncgenff

License expires: Tue Dec 31 00:00:00 2030

readpar debug: read 683 bonds, 2501 angles, 7460 dihedrals, 203 impropers
and 375437 characters worth of comments.
Now processing molecule neo_with …
ringper debug: stored 6-membered ring in stage 1.
ringper debug: stored 6-membered ring in stage 2.
ringper debug: applied 3-membered ring in stage 2.
ringper debug: added anchor for 6-membered ring in stage 2.
ringper debug: applied 3-membered ring in stage 2.
attype warning: carbon radical, carbocation or carbanion (C7) not supported;
skipped molecule.

Can anyone guide me as to how to fix this error? While some solutions are available for problems with sulfur atoms, I am unable to find concrete solutions to the carbon error I am getting.

Thank you so much for your time and help!

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Update: I was able to get CGenff to run, but the penalty scores are exceeding 50 in some places when I check through the str file. The server mentions how these values don’t correspond to reliable parametrisation values. How can I work on these further in order to get appropriate parameters?