https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=39145 --- Comment #27 from Lucas Gass (lukeg) <lucas@bywatersolutions.com> --- +('ListOwnerDesignated', NULL, NULL, 'Designated list owner at patron deletion', 'Free'), the system preference value cannot be NULL: MariaDB [koha_kohadev]> describe systempreferences; +-------------+-------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-------------+-------------+------+-----+---------+-------+ | variable | varchar(50) | NO | PRI | | | | value | mediumtext | NO | | '' | | | options | longtext | YES | | NULL | | | explanation | mediumtext | YES | | NULL | | | type | varchar(20) | YES | | NULL | | +-------------+-------------+------+-----+---------+-------+ 5 rows in set (0.001 sec) -- You are receiving this mail because: You are watching all bug changes.