I'm getting this, too =[

user warning: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay query: SELECT DISTINCT(node.nid), node.type AS node_type, node.title AS node_title, node.changed AS node_changed, users.name AS users_name, users.uid AS users_uid, node_comment_statistics.comment_count AS node_comment_statistics_comment_count, node_comment_statistics.last_comment_timestamp AS node_comment_statistics_last_comment_timestamp, flag_types_bookmarks.type AS flag_types_bookmarks_type, flag_ops_bookmarks.uid AS flag_ops_bookmarks_ops FROM node node LEFT JOIN flag_content flag_content_bookmarks ON node.nid = flag_content_bookmarks.content_id AND flag_content_bookmarks.fid = '1' INNER JOIN users users ON node.uid = users.uid LEFT JOIN node_comment_statistics node_comment_statistics ON node.nid = node_comment_statistics.nid LEFT JOIN flag_types flag_types_bookmarks ON node.type = flag_types_bookmarks.type AND flag_types_bookmarks.fid = '1' LEFT JOIN flag_content flag_ops_bookmarks ON node.nid = flag_ops_bookmarks.content_id AND flag_ops_bookmarks.fid = '1' AND flag_ops_bookmarks.uid = '514' INNER JOIN node_access na ON na.nid = node.nid WHERE (na.grant_view >= 1 AND ((na.gid = 0 AND na.realm = 'all') OR (na.gid = 2 AND na.realm = 'book_access') OR (na.gid = 3 AND na.realm = 'book_access') OR (na.gid = 6 AND na.realm = 'book_access') OR (na.gid = 2 AND na.realm = 'forum_access') OR (na.gid = 3 AND na.realm = 'forum_access') OR (na.gid = 6 AND na.realm = 'forum_access'))) AND ( (node.status = '1') AND (flag_content_bookmarks.uid IS NOT NULL) AND (flag_content_bookmarks.uid = 514) ) ORDER BY node_comment_statistics_last_comment_timestamp DESC LIMIT 0, 25 in /home/userlogo/public_html/includes/database.mysql.inc on line 172.
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Please make all logos transparent. Then everybody can choose their own colors.

@Mafia_Penguin

Update

Seems like there was a fault in the Bookmarks Module.

It is going to be replaced