https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=16987 --- Comment #1 from Josef Moravec <josef.moravec@gmail.com> --- Created attachment 53745 --> https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=53745&action=edit Bug 16987: Sub duplicate_framework in admin/marctagstructure.pl can't see variable $cache Test plan: 0) Ensure you are running on plack 1) Create new bibliographic framework 2) Go to Marc structure and select some existing framework to duplicate it to this new framework 3) You see internal server error (and there is a log in plack-error.log) 4) Go to biblioframeworks administration and MARC structure for that new framework, you see the fields are filled up 5) Apply the patch 6) Repeat 1 and 2 7) Everything should work fine this time - no error -- You are receiving this mail because: You are watching all bug changes.