PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => '85488b5aa7d2a901bd79bda836ec80fa30651a19279f43568f559bc12c424e19a:2:{i:0;s:5:"_csrf";i:1;s:32:"PIhnnkp79_4cJMxPEuelf49GtBx7R-Hw";}',
    'PHPSESSID' => 'l81edi3nenv06m4dj73c9srvf6',
    'topics-session' => '1791671509.866.16479.224225|d197bbbd1d400bd72372bc93068ad169',
];