PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => '529a3299cb6981e047bcd6b6b0e68ed9109b5fe628497298637cf26766b5c742a:2:{i:0;s:5:"_csrf";i:1;s:32:"09xOuWDYj70hUTY-h9_nOCVScXEs0Vy3";}',
    'topics-session' => '1791967879.677.16974.418727|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'sgjmramcg12j4hkejvgjrfkkp1',
];