Strict standards : Non-static methods called statically

modify your php.ini file as follow:

Change /opt/lampp/etc/php.ini 
set error_reporting to E_ALL & ~E_NOTICE
display_errors = Off

Then (very important because I missed this at first) you need to stop and start the lampp server (if you are not using lampp then bounce whichever webserver you are using).

I hope that helps.