Tag "" is not a valid tag. at /usr/share/koha/lib/C4/Biblio.pm line 2599.
Hello, Can you provide more information please? When do you get this warning? Which version of Koha are you using?
(In reply to Jonathan Druart from comment #1) > Hello, > Can you provide more information please? When do you get this warning? Which > version of Koha are you using? We haven't received any more information on this report in 6 years. Closing invalid.