PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => 'c8a94e975a5f1b58bd64e1f6b235a61aa3269e92c6196ac345d42aae06309e02a:2:{i:0;s:5:"_csrf";i:1;s:32:"IdNtQHOv2Am10Ptbs0WFY_luh0AO_aDf";}',
    'topics-session' => '1791534787.6.16511.202797|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'noh5k14nfkt5ajih60t9pv29o6',
];