PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791456749',
];

$_COOKIE = [
    'PHPSESSID' => '6m2pp8jdm5q37t97qitsfa73a6',
    'topics-session' => '1791460160.255.16697.300910|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => '97fac4be43b539358ba9b436fb24e21de805fab7c8bbb4c7181818297d006500a:2:{i:0;s:5:"_csrf";i:1;s:32:"KnFGwcirdGWvVd-YB6F2g97Hg0BwBcgD";}',
];

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