PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791382167',
];

$_COOKIE = [
    'topics-session' => '1791445462.938.16477.676913|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => '40pr35ikviree53eukfr4prru6',
    '_csrf' => 'e7e179efe33b588bb6da25e6f3302bde2fc8db6760fff7c907c4956d73432b3aa:2:{i:0;s:5:"_csrf";i:1;s:32:"Gj875fsWNQ_62JxJHHTWqw1ZcVyKd0sR";}',
];

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