PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => 'bb24f4782f428cc20e64fa053602a3fa273a26de7567e17f71b96d359aaf1e3aa:2:{i:0;s:5:"_csrf";i:1;s:32:"148QgBe2L_a1_EUg0mmtQ1L6mYZMqp5I";}',
    'PHPSESSID' => 'kme9afelar3gat7nfji54oar93',
    'topics-session' => '1791529019.123.16477.184396|d197bbbd1d400bd72372bc93068ad169',
];