PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => 'f7872c7b5deb9d0eb31888dbebfd2aafdb24c25f61b5307e9c5d1039f6a9a6a9a:2:{i:0;s:5:"_csrf";i:1;s:32:"o9JQYucBmXJrs9lGKMmBmQNgEFbCIj5u";}',
    'PHPSESSID' => '3nu84dfjjejuhp00hkib2vk5p3',
    'topics-session' => '1791481527.062.16615.121719|d197bbbd1d400bd72372bc93068ad169',
];