PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791433182',
];

$_COOKIE = [
    '_csrf' => 'b24cbadfcaf659a66a8eae1beafb59ee5baab0b1acc84d46055f303a8d30a726a:2:{i:0;s:5:"_csrf";i:1;s:32:"ppsP4bUbHHGiy2rv4Rba9uHgkXsQ4QSB";}',
    'topics-session' => '1791455717.907.16490.888631|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => '2vit0n85eva6m0h0v1p7rn3gk1',
];

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