PHP Core Warning – yii\base\ErrorException

$_GET = [
    'redirect_url' => '/yjds2016/cases/match',
];

$_COOKIE = [
    'PHPSESSID' => 'ipkqj69don2jqi3jfmqt54u097',
    '_csrf' => 'c535276db36c8019b66178589919dbb77f1b361f1f3719656acfe9e39cc44749a:2:{i:0;s:5:"_csrf";i:1;s:32:"vTzPMnECwNUelDXXqKu75PUMiXDVz2Yc";}',
    'topics-session' => '1791474735.234.16490.180652|d197bbbd1d400bd72372bc93068ad169',
];