That is most likely a red herring; a false lead. It is just likely
another instance of the same error. I say this from 3-4 years experience
in living with this error on just about every GET request that has
anything to do with the editable templates. It is still happening in
6.5.3 too. Same error (pointing to same settings path) will present on
non-template items too, such
as:/libs/wcm/core/content/pageinfo.json/content/versionhistory.thumb.48.48.png/favicon.ico/etc/tags/marketing.infinity.jsonI...