PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1790940433',
];

$_COOKIE = [
    '_csrf' => 'a673531c2df9bf30550e6a99979fd544cad648a406bd520cd29ac7fefd4f33e9a:2:{i:0;s:5:"_csrf";i:1;s:32:"_ujwyhZcSQE65wd4uoa7FXpnVKf1KNgw";}',
    'PHPSESSID' => 'indd4jae2r6hvsl54a3nigv3u2',
    'topics-session' => '1791473608.481.17008.727083|d197bbbd1d400bd72372bc93068ad169',
];

$_SESSION = [
    '__flash' => [],
];