PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1747588495',
];

$_COOKIE = [
    'PHPSESSID' => 'g8919gg7q1ll6vmos4corlctj1',
    '_csrf' => '4d7bcad41873bdd84d88684c668832be60533112c224e73a25001d0612e1a6fea:2:{i:0;s:5:"_csrf";i:1;s:32:"HhysHYXnpuNjVuQ2njFr3SKxc5XUdT4C";}',
    'topics-session' => '1765913399.572.15683.143672|d197bbbd1d400bd72372bc93068ad169',
];

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