PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791232234',
];

$_COOKIE = [
    'topics-session' => '1791302086.303.16974.616519|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => 'c4dd472900918988348a7be1082911a0dec5de304f16000b825f747c2130191fa:2:{i:0;s:5:"_csrf";i:1;s:32:"gSffpIMI6Uw9jC5UMAmuFqfyXY_ddx8I";}',
    'PHPSESSID' => 'm63gplp0smpraedvf983j1k7a1',
];

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