PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791484550',
];

$_COOKIE = [
    'PHPSESSID' => '2dbs3af96bc94ng3lpq5hg2vj3',
    'topics-session' => '1791657077.274.16476.910602|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => 'dabab5ac514525dfdd90cc1e5da676e72f6c81235deae67187e1aee81d7f2b36a:2:{i:0;s:5:"_csrf";i:1;s:32:"OhsqljWdm5B6jskIp49Nu9VKWTjLMTLB";}',
];

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