HiddenServiceNumIntroductionPoints 20 results into Malformed hidden service descriptor?

When running Onion Services with:

/etc/torrc HiddenServiceNumIntroductionPoints 20

Log shows:

[warn] {REND} Uploading hidden service descriptor: http status 400 ("Invalid HS descriptor. Rejected.") response from dirserver 62.112.9.92:443. Malformed hidden service descriptor? [warn] {REND} Uploading hidden service descriptor: http status 400 ("Invalid HS descriptor. Rejected.") response from dirserver 88.216.2.90:443. Malformed hidden service descriptor? [warn] {REND} Uploading hidden service descriptor: http status 400 ("Invalid HS descriptor. Rejected.") response from dirserver 66.206.0.138:443. Malformed hidden service descriptor?

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information