Upgrading database schema for library2 Upgrade to 23.11.02.002 [11:53:29]: Bug 34979 - Fix system preference discrepancies Fix mistakes in system preferences, if necessary: ERROR - {UNKNOWN}: DBI Exception: DBD::mysql::db do failed: Duplicate entry 'OAI-PMH:AutoUpdateSetsEmbedItemData' for key 'PRIMARY' at /usr/share/koha/lib/C4/Installer.pm line 741