Log file is filled up with the messages as below:
[Tue Sep 08 09:59:44 2015] [warn] [client 18.104.22.168] mod_fcgid: stderr: PHP Strict Standards: Non-static method JResponse::allowCache() should not be called statically in /var/www/vhosts/ttvflash.nl/httpdocs/libraries/joomla/environment/response.php on line 197
Old version of Joomla! is running under PHP 5.4 and causing warnings about PHP Strict Standards.
- Go to Customer Control Panel, Websites tab
- Under domain name click PHP Settings
- Find log_errors option and switch it to Off
- Save settings.