User blog comment:MisterWoodhouse/Social Activity, the 2010 Editor, and Unpausing Migrations/@comment-43654020-20201022173231/@comment-26339491-20201028190154

In general, if you can post comments and blog comments just fine, you are at least not blocked on that wiki, so you should be able to leave wall messages, too. We can't really look into this unless you post a link to where this is happening - or even better, report the issue via Special:Contact.