PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791253046',
];

$_COOKIE = [
    '_csrf' => '03dac45543fa44ab331ab1f211b7bb9f508002ac6987e7793d309d087f556a8ea:2:{i:0;s:5:"_csrf";i:1;s:32:"vPHGyCOg4OeSvkDDzrRhRBVDZuFginbg";}',
    'PHPSESSID' => 'l8ij5mja4ql5mrvrgl92hu59p7',
    'topics-session' => '1791479369.932.16477.715450|d197bbbd1d400bd72372bc93068ad169',
];

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