Software error: Devolución Can't call method "subfield" on an undefined value at /usr/share/koha/lib/C4/Biblio.pm line 3008. at /usr/share/koha/lib/C4/Biblio.pm line 3008. C4::Biblio::_AddBiblioNoZebra(652, undef, 'biblioserver') called at /usr/share/koha/lib/C4/Biblio.pm line 2769 C4::Biblio::ModZebra(652, 'specialUpdate', 'biblioserver', undef, undef) called at /usr/share/koha/lib/C4/Items.pm line 552 C4::Items::ModItem('HASH(0xafee048)', 652, 1088) called at /usr/share/koha/lib/C4/Circulation.pm line 1782 C4::Circulation::AddReturn(0774, 'TPL', 0) called at /usr/share/koha/intranet/cgi-bin/reserve/renewscript.pl line 121
I am sorry, but we need more information in order to take a look at this bug. Please add some steps on how to reproduce this error, your Koha version and how you installed it before reopening this bug report.
*** Bug 13078 has been marked as a duplicate of this bug. ***