PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791854346',
];

$_COOKIE = [
    '_csrf' => '336c7d6f6b59e87f75a242cad91b9c5fb9c7f5a0be3f4fd0213716afe5057d5ba:2:{i:0;s:5:"_csrf";i:1;s:32:"_M8XHqqi0cI3QZfMgSLqo4UFbzJJNdMq";}',
    'topics-session' => '1791867986.35.16551.218812|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => '43ddoe4lqbkvcsartdp21565v5',
];

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