PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791426067',
];

$_COOKIE = [
    'topics-session' => '1791472217.543.17009.322169|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => '8621f174adc59ce699d1a20cd9aa15ba862bbf0e26dd98a8d27ad733354e205fa:2:{i:0;s:5:"_csrf";i:1;s:32:"40xuZiCxKesCKGO8w38r2V-4W5jLPaO_";}',
    'PHPSESSID' => 'aevghonq1vcicidsb2u41rr1p3',
];

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