On 11 Dec 2020, at 15:56, Skh sourav Halder <skhsouravhalder(a)gmail.com> wrote:
A database query error has occurred. Did you forget to run your application's
database schema updater after upgrading?
How do I update the database
There are some suggestions on obtaining useful error messages here:
<https://m.mediawiki.org/wiki/Manual:How_to_debug>
This is about the update.php script to run during the MediaWiki upgrade process:
<https://www.mediawiki.org/wiki/Manual:Upgrading#Run_the_update_script>
Best wishes
Jonathan