PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791986215',
];

$_COOKIE = [
    'PHPSESSID' => 'qc2ms719bottiruvddpo4bm5c3',
    'topics-session' => '1792010939.127.16517.966767|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => 'a20554b199d0d24742c6a35d47940ed425d40499424703ad27e992490b60bc5fa:2:{i:0;s:5:"_csrf";i:1;s:32:"vU6M5v5iNCYJX9OBbyTn9-iWs-nBpu_y";}',
];

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