PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791637580',
];

$_COOKIE = [
    'topics-session' => '1791651421.865.16478.633461|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => 'ac350411c8072d4c5fb8baabe6ebaa8c99312d8fb8e45626ead053251af31973a:2:{i:0;s:5:"_csrf";i:1;s:32:"N1KbiBrnuO-_LOVS_NbA-IsjsYxNT7M-";}',
    'PHPSESSID' => 'nnuhg122rlsknap3qh5vpm77p7',
];

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