Hi, I upgraded the koha from 3.8.x to 3.10.x by using following command git checkout -b mybranch origin/3.10.x it asked to update databases ,while try to update database it is giving following errors Update report : - Status: 500 - Content-type: text/html - - <h1>Software error:</h1> - <pre>Failed to add reserve_id to reserves tables, please refresh the page to try again. at /home/koha/kohaclone/installer/data/mysql/ updatedatabase.pl line 5539. - </pre> - <p> - For help, please send mail to the webmaster (<a href="mailto: webmaster@li197-192">webmaster@li197-192</a>), giving this error message - and the time and date of the error. - - </p> Update errors : - [Wed Aug 7 12:13:43 2013] updatedatabase.pl: DBD::mysql::db do failed: Multiple primary key defined at /home/koha/kohaclone/installer/data/mysql/ updatedatabase.pl line 5502. - [Wed Aug 7 12:13:43 2013] updatedatabase.pl: DBD::mysql::db do failed: Column count doesn't match value count at row 1 at /home/koha/kohaclone/installer/data/mysql/updatedatabase.pl line 5503. - [Wed Aug 7 12:13:43 2013] updatedatabase.pl: DBD::mysql::db do failed: Incorrect table definition; there can be only one auto column and it must be defined as a key at /home/koha/kohaclone/installer/data/mysql/ updatedatabase.pl line 5522. - [Wed Aug 7 12:13:43 2013] updatedatabase.pl: DBD::mysql::db do failed: Column count doesn't match value count at row 1 at /home/koha/kohaclone/installer/data/mysql/updatedatabase.pl line 5523. - [Wed Aug 7 12:13:43 2013] updatedatabase.pl: Failed to add reserve_id to reserves tables, please refresh the page to try again. at /home/koha/kohaclone/installer/data/mysql/updatedatabase.pl line 5539. Could you mine please suggest me how to upgrade steps wise Thanks&Regards, Rajesh