Hi All, We are trying to upgrade our Koha version from Koha 3.10.00 to 3.14. We have Koha 3.14 installed on a test server and we the production installation with the older database online-- Koha 3.10.00. During the web installation on the test server, whenever Koha reaches the update database page , it is generating an error message: "Update errors : [Tue Jan 21 15:37:05 2014] updatedatabase.pl: DBD::mysql::db do failed: Duplicate column name 'borrowernumber' at /usr/share/koha/intranet/cgi-bin/installer/data/mysql/updatedatabase.pl line 7224. [Tue Jan 21 15:37:05 2014] updatedatabase.pl: DBD::mysql::db do failed: Error on rename of './koha/patronimage' to './koha/#sql2-646b-96' (errno: 152) at /usr/share/koha/intranet/cgi-bin/installer/data/mysql/updatedatabase.pl line 7243. [Tue Jan 21 15:37:05 2014] updatedatabase.pl: DBD::mysql::db do failed: Error on rename of './koha/patronimage' to './koha/#sql2-646b-96' (errno: 152) at /usr/share/koha/intranet/cgi-bin/installer/data/mysql/updatedatabase.pl line 7243. " As a result, we are unable to proceed to the log in page. Any help in fixing the above issue, will be most welcomed. Best Regards, Sheldon -- View this message in context: http://koha.1045719.n5.nabble.com/Unable-to-upgrade-to-Koha-3-14-due-to-data... Sent from the Koha-general mailing list archive at Nabble.com.