I also get this message when I try to change the mappings 999c: The biblio.biblionumber and biblioitems.biblioitemnumber fields be mapped to a MARC subfield, -- View this message in context: http://koha.1045719.n5.nabble.com/Fixing-Zebra-After-Upgrade-tp5871038p5873307.html Sent from the Koha-general mailing list archive at Nabble.com.