PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1790986393',
];

$_COOKIE = [
    '_csrf' => 'ab95b15c504934da1c6f6bfdcde726f7645ec10c2f8ef056c79ef2b0080b7c5aa:2:{i:0;s:5:"_csrf";i:1;s:32:"yAlLIi67aeiYofrKIfWUfgUQrfnvrAs4";}',
    'topics-session' => '1791244388.288.17008.581345|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'dvgr86qrlge5kkrm1e8jiudfa1',
];

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