Strict Standards: Non-static method ServiceFactory::getServiceInstance() should not be called statically in bookmarks/index.php on line 22

Can you please help me resolve this, I am facing the issue with PHP 5.6 with 
tried 
error_reporting = E_ALL & ~E_NOTICE & ~E_WARNING & ~E_STRICT & ~E_DEPRECATED

Even with this i am getting the error. Please help.
error_reporting = NONE
