https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=42068 --- Comment #2 from Nick Clemens (kidclamp) <nick@bywatersolutions.com> --- Created attachment 195123 --> https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=195123&action=edit Bug 42068: Bug 26993 (follow-up) Don't use FOREIGN_KEY_CHECKS To test: 1 - Checkout 25.11.x - reset_all 2 - Enable StoreLastBorrower 3 - Issue an item 4 - Ensure item has a row in items_last_borrower SELECT * FROM items_last_borrower 5 - Checkout main 6 - updatedatabase 7 - Try to delete any item, doesn't have to be the one you issued DELETE FROM items WHERE itemnumber=93; 8 - ERROR 1451 (23000): Cannot delete or update a parent row: a foreign key constraint fails (`koha_kohadev`.`items_last_borrower`, CONSTRAINT `items_last_borrower_ibfk_1` FOREIGN KEY (`itemnumber`) REFERENCES `items` (`itemnumber`) ON DELETE CASCADE ON UPDATE CASCADE) 9 - repeat 1-5 10 - APPLY PATCH 11 - updatedatabase 12 - Try to delete any item 13 - Success! 14 - Delete the item you issued previously (in the staff interface on via mysql) 15 - Confirm no rows in items_last_borrower -- You are receiving this mail because: You are watching all bug changes.