PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => '8e2419df87b747657713c33b807aa486f80efb9d51a2f7870dfe28b6dd19a3e6a:2:{i:0;s:5:"_csrf";i:1;s:32:"M-rttZO5ZdaEnASWCkLEoWT9gEW3V4lb";}',
    'topics-session' => '1791925647.36.16476.891270|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'hfhknc511qod1q57mj4pfc1j37',
];