Please, Delete all of "Mediawiki" namespace pages and "আইপিডিয়া" namespace pages on this wiki.
Hi, you can do this by enabling the NukeDPL extension and granting your self the correct permissions. See https://www.mediawiki.org/wiki/Extension:NukeDPL
I thought, I'll delete it by NukeDPL. But, sorry to say, I failed.
I don't understand, how to use NukeDPL.
@Ahmsaqib you can also just use regular Special:Nuke to mass-delete pages created by any author in any namespace (assuming that the pages aren’t ancient). The Special:Nuke form has an option to limit pages to be deleted to certain namespaces.