PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => 'd8e7bbd7243c48ba2f69fc2bf0a62837177ca7beba9e8c7d7f9d0b20da2b9a6ba:2:{i:0;s:5:"_csrf";i:1;s:32:"biKQtQYoThsevku_-17oAN-iagj-T4bJ";}',
    'topics-session' => '1792029818.21.16476.157724|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => '487lt5mk2bahmcquele9j8nc70',
];