PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    'topics-session' => '1791021797.643.16814.608509|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => '8dcdc4b6f63d14e7d3cfe8c9764c0e9e37ab058d2d5ac99ff466fb80e3068259a:2:{i:0;s:5:"_csrf";i:1;s:32:"rV45Co6Fa_KANRyycW3XtOJOpEsnhhFq";}',
];