In my 1.5.2+ installations, I'm having problems with the Social Activities block disappearing - after making changes on a Social-Format course page (I'm trying to keep track of exactly what changes do this, it seems to be at least whenever I enter & exit the Settings & change e.g. the course name or short-name), the block disappears and shows up in the block add list again.
Anyone else experiencing this?
Yes, me too... and thanks for your hint on the cause of problem. Hope this can be fix very soon!