https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=32160 --- Comment #1 from Katrin Fischer <katrin.fischer@bsz-bw.de> --- It looks to me like the problem might be that we are trying to use the templates on the record we view there (preview of changes) and that this failes. My action was a simple "delete field xxx" Can't call method "field" on an undefined value at /kohadevbox/koha/Koha/SimpleMARC.pm line 534 Koha::SimpleMARC::_delete_field('HASH(0x560470731670)') called at /kohadevbox/koha/Koha/SimpleMARC.pm line 522 Koha::SimpleMARC::delete_field('HASH(0x56046fff90a8)') called at /kohadevbox/koha/C4/MarcModificationTemplates.pm line 630 C4::MarcModificationTemplates::ModifyRecordWithTemplate(1, undef) called at /kohadevbox/koha/svc/records/preview line 53 eval {...} at /kohadevbox/koha/svc/records/preview line 2 -- You are receiving this mail because: You are watching all bug changes. You are the assignee for the bug.