PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => '4e824d1b82b5390f56c19aab5c94f3e99122febc9b599891d601ed3e65d0008ca:2:{i:0;s:5:"_csrf";i:1;s:32:"zMPJUah3dbUNGKtQB_sor2Dugo52agHw";}',
    'topics-session' => '1791294681.285.17009.460800|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => '1irudh6svlsmb99pbno16q1mu2',
];