PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1765751646',
];

$_COOKIE = [
    '_csrf' => '4dedd15c9724c41750525a40317434e55abce4c379eba46e1d6248714cae2864a:2:{i:0;s:5:"_csrf";i:1;s:32:"zgfWqrUzVJ72qM9yYKsQaCetq-s5rEH8";}',
    'topics-session' => '1765759171.127.16277.264939|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'nfrmdj0iibskdghfimdtmo8851',
];

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