PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1790945174',
];

$_COOKIE = [
    'topics-session' => '1790981345.917.17043.720301|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => '535129d355b8dbceb74127dbdb7a412e5f89059fdd6c9da5e6a98a253bad405ea:2:{i:0;s:5:"_csrf";i:1;s:32:"Pxq-fxpCwwwUHTCmtsT3ANfUCH9diQ9D";}',
    'PHPSESSID' => '0cr2gbht7ck14eciquuj9805d5',
];

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