PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1790994764',
];

$_COOKIE = [
    'topics-session' => '1791154392.006.16814.629456|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => '1b7169634b4f583b6bf418358b7778d29bef89cab17ecb5bef9fabf5842a24a5a:2:{i:0;s:5:"_csrf";i:1;s:32:"K3We6qYNiSW1ySyFpkhw69tgn7ggVH-Z";}',
    'PHPSESSID' => '7tpp1vt96j2cee11ojenmns7l3',
];

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