PHP Core Warning – yii\base\ErrorException

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

$_COOKIE = [
    '_csrf' => 'a68f493f812078c10f83f3cf4d8e5526d0470d7277cda925359360f4e957e462a:2:{i:0;s:5:"_csrf";i:1;s:32:"TqCf2MW9S3B1xQev5sJjn1asD5zx9_O6";}',
    'PHPSESSID' => 'c0rcvt2lf22fpp1k9phnpc5560',
    'topics-session' => '1765967626.045.16013.544248|d197bbbd1d400bd72372bc93068ad169',
];