PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => 'fbcffca5a02f02f6792d551df66dc23998c9618ea9c1b59b33579edaaf81ec4ca:2:{i:0;s:5:"_csrf";i:1;s:32:"FhOJDFV5bsOPbqzmAY-Q9I0qhE4oMKn9";}',
    'PHPSESSID' => '6vic32qetevf8a47itkm9ll9f5',
    'topics-session' => '1791208006.717.16475.748446|d197bbbd1d400bd72372bc93068ad169',
];