PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1747126444',
];

$_COOKIE = [
    'PHPSESSID' => 'n9h1ogekqf156np021i630qsl7',
    '_csrf' => 'a7e3dec30ef7d335180989e570fef92bb0e37dd596ece161d223a0eef01855b7a:2:{i:0;s:5:"_csrf";i:1;s:32:"dz-MwS1Z5-MCHvy6J5GiGP-9z1jc44ge";}',
    'topics-session' => '1765789174.561.16228.785564|d197bbbd1d400bd72372bc93068ad169',
];

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