Hi, there are lines inside error_log file that says:
[24-Jul-2013 01:34:50 UTC] WordPress database error MySQL server has gone away for query SELECT option_value FROM prefix_options WHERE option_name = ‘lip_settings’ LIMIT 1 made by require(‘wp-blog-header.php’), require_once(‘wp-load.php’), require_once(‘wp-config.php’), require_once(‘wp-settings.php’), include(‘/themes/pinpoint/functions.php’), include(‘/themes/pinpoint/includes/plugins/love-it-pro/love-it-pro.php’), get_option
this is only one line but there are more, in fact, many, related to pinpoint, sliders and some other plugins.
I google WordPress 3.5.2 database error MySQL server has gone away for query
and most answers suggest to look at the theme and mysql db timeout.
However, db timeout was solved since wp version 3.4
I could give you the entire error_log via email.
Thanks