The item has not been checked in due to a configuration issue in your system. You must ask an administrator to take a look at the about page and search for the "data problems" section. *** Data problems Some of your tables have problems with their auto_increment values which may lead to data loss. You should not ignore this warning. The problem is that InnoDB does not keep auto_increment across SQL server restarts (it is only set in memory). So on server startup the auto_increment values are set to max(table.id)+1. To know how to avoid this problem see the related wiki page: DBMS auto increment fix Problems found Items The following ids exist in both tables items and deleteditems: 7, 8, 9, 10 Checkouts The following ids exist in both tables issues and old_issues: 1, 2, 3 -- Sent from: http://koha.1045719.n5.nabble.com/Koha-general-f3047918.html