BuddyPress was updated to version 2.2.2.1, from version 2.2.1. Changelogs:

2.2.2.1

• Fix a fatal error in the _bp_strip_spans_from_title function that is occurring with certain theme/plugin combinations.

2.2.2

• Activity: sanitize output of “Load More” link.
• Members: better nonce check on members widget.
• Core: improve filtering of wp_title