If your website won't load after updating to BuddyPress 12.1.1 it is likely a conflict with bbPress or another BuddyPress compatible plugin. Install the BP Classic plugin to fix this issue.

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I get a "Sorry, the content area was not found in your page" error

Go to GhostPool Core > Display Conditions and under Page Templates make sure you have a template set for the Entire Site condition. This template must contain the Post Content element so it loads the_content filter.