PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => '3b0f63952dc67cc896210a623b394744ece72003ed4dc578e65d3825fe0bcf43a:2:{i:0;s:5:"_csrf";i:1;s:32:"4a_3TTZ8-pIH__zBdd4yZibTpvB5FKYq";}',
    'topics-session' => '1766013043.478.15682.715807|d197bbbd1d400bd72372bc93068ad169',
];