PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791027478',
];

$_COOKIE = [
    'topics-session' => '1791069503.123.16615.271165|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => '0b6afabaedca6e26dac92bdabacfa138a585d4b48ab8079bd842bf69215ee670a:2:{i:0;s:5:"_csrf";i:1;s:32:"c7tRvBjzyYfIdt-advc7nj1XajzbjVT2";}',
    'PHPSESSID' => '9d0tbj3jb8o4j38gmjorokn2t5',
];

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