PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => 'e521b24a540668ae2c172ec860373cf1ccbcc366c8a96f663455db8c4fcef42fa:2:{i:0;s:5:"_csrf";i:1;s:32:"-mCgYhH6C1pVxQrAMYWNLcvdWufeEjOZ";}',
    'PHPSESSID' => 'ms5tl00ppo7bh15i03n0uq3ar0',
    'topics-session' => '1791275062.421.16814.369409|d197bbbd1d400bd72372bc93068ad169',
];