PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    'PHPSESSID' => 'j0hgo7edvg1npsregblsth1jh1',
    '_csrf' => '2333dbf8b663851e2dafa14e046d62b5049f4c66ba3cc13a2831dc7a05cf8208a:2:{i:0;s:5:"_csrf";i:1;s:32:"Iv6GYdCduHX2lIRzohQpNojG-NH2XPZ-";}',
    'topics-session' => '1791529275.746.16615.69410|d197bbbd1d400bd72372bc93068ad169',
];