https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=10407 --- Comment #46 from Pete Edwards <koha@jsense.co.uk> --- I also realised that there has been a breaking change in the required return from the to_marc function. It used to return a scalar but must now be an array. There are plugins out there that are incompatible with this e.g.: https://github.com/bywatersolutions/koha-plugin-ris-importer/blob/master/Koh... -- You are receiving this mail because: You are watching all bug changes.