Error I get when attempting to activate plugin after the WP upgrade to 3.4.1 is
Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 72 bytes) in /var/www/vhosts/XXXXXXXXX.com/httpdocs/wp-includes/meta.php on line 580
The developers website is non-responsive.
http://wordpress.org/extend/plugins/facebook-comments-for-wordpress/
