PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => '524f06a320cf87d08d897d550b19907e995a84d3e2b20c7d552a80919b4735f9a:2:{i:0;s:5:"_csrf";i:1;s:32:"mB3WG1GfD1eMdUfOh6W49x3F5r0ayRQX";}',
    'topics-session' => '1791245531.725.16517.612601|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => '6eudrftfntmdu6tm5ucqqf2mv1',
];