PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791244000',
];

$_COOKIE = [
    'PHPSESSID' => 'dqm5f0e7360f1i6eudltqpaiq3',
    '_csrf' => 'd7af4293c2ad3fb8e451477f20373c655fd8838541e687d6a3ec3321c7aa0df7a:2:{i:0;s:5:"_csrf";i:1;s:32:"1sxmu6WcsxO6DGqkNkjx_EOnGb8Bh2Gw";}',
    'topics-session' => '1791405831.124.16481.328532|d197bbbd1d400bd72372bc93068ad169',
];

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