[Koha] Koha upgrade issues - from Koha 3.12 to Koha 17.11

Hi, This is Sekhar from University of Guyana. I had sent an email few years back. We are trying to upgrade from Koha 3.12 to Koha 17.11 and encountering problems in updating database schema. These SQL errors are reported from updatedatabase.pl I am wondering why can't we export the biblios and

Re: [Koha] Koha upgrade issues - from Koha 3.12 to Koha 17.11

Hi Sekhar, Upgrading from 3.12 is usually ok.   Could you detail the errors you encounter? Exporting/importing the biblios also theoratically works fine, but some versions have had glitches preventing it.  Still, updatedatabase.pl should work unless you have customized the DB. Philippe Bl

Re: [Koha] Koha upgrade issues - from Koha 3.12 to Koha 17.11

​Thanks for your feedback. Please see below the errors from updatedatabase.pl Regards, Sekhar Mallampati +++ Updating database structure Update report : - Status: 500 - Content-type: text/html - - Software error: - DBD::mysql::db do failed: Ca

Re: [Koha] Koha upgrade issues - from Koha 3.12 to Koha 17.11

It is quite possible that update had already been processed through some fix in your 3.12.x sub-version. Having done quite a few upgrades over the years, I don't remember one where I didn't get one update error or another.  But always there was a logical explanation, and the end result was per