PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => '328b7c1a6ac1e1227e321d8f9dca338c69992580b13d897e207848f3f0148116a:2:{i:0;s:5:"_csrf";i:1;s:32:"SgOeSJF5hk59MBBtAJHmghZXx_eP8q3y";}',
    'PHPSESSID' => '13fbhll8shrhtm6vq4sej0b9s1',
    'topics-session' => '1791430979.448.16551.966972|d197bbbd1d400bd72372bc93068ad169',
];