https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=32556 --- Comment #2 from Magnus Enger <magnus@libriotech.no> --- After reading https://stackoverflow.com/questions/10833530/how-to-change-mysql-primary-key... I tried to: - Dump the database - Edit the CREATE TABLE statements for borrower_message_preferences.borrower_message_preference_id and borrower_message_transport_preferences.borrower_message_preference_id to make them BIGINT - Load the database back in But alas, this also gave a foreign key error: ERROR 1005 (HY000) at line 2442: Can't create table `koha_hkr`.`borrower_message_preferences` (errno: 150 "Foreign key constraint is incorrectly formed") -- You are receiving this mail because: You are the assignee for the bug. You are watching all bug changes.