PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1749591319',
];

$_COOKIE = [
    'PHPSESSID' => '91qbnhnf001hreqjaoi6chidv1',
    'topics-session' => '1765699969.408.16079.270576|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => 'ef85c3668b3f2f80a0bf24a28998730e88eda0e3a43ded8501ff8af8d8ee173ca:2:{i:0;s:5:"_csrf";i:1;s:32:"lp3x_lQRiP39KaKwcyHSmF5tZJ4Hjy7e";}',
];

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