Apache Error (mod_fcgid: stderr:)

Hello, I'm having issue after install virtualmin my website load very slow i check apache error log

Quote: [Wed Nov 26 13:55:58 2014] [warn] [client 66.249.67.4] mod_fcgid: stderr: #0 /home/mysite/public_html/smarty/libs/sysplugins/smarty_internal_template.php(546): Smarty_Internal_Template->__get('resource_object') [Wed Nov 26 13:55:58 2014] [warn] [client 66.249.67.4] mod_fcgid: stderr: #1 /home/mysite/public_html/smarty/libs/Smarty.class.php(338): Smarty_Internal_Template->getRenderedTemplate()

i really don't know why is this happening

Thank you