PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => '0c869c7f260ee99af8ece9cc24b9708a9d2797760e8a9818459a808ab4c2316ca:2:{i:0;s:5:"_csrf";i:1;s:32:"fT0wi64c7Q70eur-zeJAgQYvZ4H8I_RL";}',
    'topics-session' => '1792015337.688.16482.962367|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'fba29ohrffplfn23mb65b8sd82',
];