https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=30276 --- Comment #2 from Jonathan Druart <jonathan.druart+koha@gmail.com> --- MariaDB [koha_kohadev]> ALTER TABLE user_permissions DROP INDEX IF EXISTS `PRIMARY`; Query OK, 0 rows affected, 1 warning (0.000 sec) Records: 0 Duplicates: 0 Warnings: 1 MariaDB [koha_kohadev]> show warnings; +-------+------+----------------------------------------------------+ | Level | Code | Message | +-------+------+----------------------------------------------------+ | Note | 1091 | Can't DROP 'PRIMARY'; check that column/key exists | +-------+------+----------------------------------------------------+ 1 row in set (0.000 sec) -- You are receiving this mail because: You are watching all bug changes. You are the assignee for the bug.