PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1790932781',
];

$_COOKIE = [
    'topics-session' => '1791147443.297.16476.751972|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => '28befa99f33fc8bb4896ba63e06e874588c9803aa7814de84cb47566d24d493aa:2:{i:0;s:5:"_csrf";i:1;s:32:"bGZl9wboGS9y5TUymZILRCHwm2uHQtuT";}',
    'PHPSESSID' => 'nt3o5lhm50d41k284auiq3bgj7',
];

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