I saw this in my error_log
[error] PHP Fatal error: require_once(): Failed opening required '/srv/www-ssl/htdocs/phase3/includes/json/Services_JSON.php' (include_path='/srv/www-ssl/htdocs/phase3/extensions/OpenID:.:/usr/share/php') in /srv/www-ssl/htdocs/phase3/includes/json/FormatJson.php on line 27,
27 require_once dirname( FILE ) . '/Services_JSON.php';
Version: unspecified
Severity: normal