Bug: User Activity produces two database errors in BuddyPress 1.6.4

[30-Jan-2013 09:56:48 UTC] WordPress database error Table 'test_2013.wp_user_activity' doesn't exist for query SELECT COUNT(*) FROM wp_user_activity WHERE user_ID = '1' made by require('wp-blog-header.php'), require_once('wp-includes/template-loader.php'), include('/plugins/buddypress/bp-themes/bp-default/index.php'), get_footer, locate_template, load_template, require_once('/plugins/buddypress/bp-themes/bp-default/footer.php'), wp_footer, do_action('wp_footer'), call_user_func_array, User_Activity->global_db_sync

[30-Jan-2013 09:56:48 UTC] WordPress database error Table 'test_2013.wp_user_activity' doesn't exist for query UPDATE wp_user_activity SET last_active = '1359539808' WHERE user_ID = '1' made by require('wp-blog-header.php'), require_once('wp-includes/template-loader.php'), include('/plugins/buddypress/bp-themes/bp-default/index.php'), get_footer, locate_template, load_template, require_once('/plugins/buddypress/bp-themes/bp-default/footer.php'), wp_footer, do_action('wp_footer'), call_user_func_array, User_Activity->global_db_sync