a php error was encounteredseverity: noticemessage: only variable references should be returned by referencefilename: core/common.phpline number: 257screenshot: http://i.imgur.com/rdfblff.pngsolution 1:fuel\codeigniter\core\common.php$_config[0] =& $config;>return $_config[0]; solution 2:update codeigniter from 2.2.0 to 2.2.1.https://github.com/bcit-ci/codeigniter
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