That “[error.ucm] unknown master file field omment” looks interesting. Apparently there is some master file — whatever that is; no PW expert — which contains a malformed “Comment” field, that’s missing the first character. I don’t know if it’s related to your issue, though.
But maybe that causes PW to fallback on some defaults that don’t quite fit your device?
Be aware, though, that it’s going to be decommissioned at the end of the month: