On 11 Dec 2020, at 15:56, Skh sourav Halder skhsouravhalder@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