PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791115039',
];

$_COOKIE = [
    'PHPSESSID' => 'ao6svesd9oklsrri0k051dsn90',
    '_csrf' => '922478f17f0b29770720ba235cd973bec50f13b183b6869f6ec356a1b0698c75a:2:{i:0;s:5:"_csrf";i:1;s:32:"xCNI9ufFdBaaUydAWIpfOtLR_J8itlx5";}',
    'topics-session' => '1791290254.212.16958.365362|d197bbbd1d400bd72372bc93068ad169',
];

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