PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791485374',
];

$_COOKIE = [
    '_csrf' => 'bd9e836d824aa8bfd7ac282b8d2c7665db1888d3e327e680bb110ac550443902a:2:{i:0;s:5:"_csrf";i:1;s:32:"Rr8SQJ72ZrA52IgjURBjFzAnpRvNUhjf";}',
    'topics-session' => '1791674859.082.16476.334697|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'i4v4a7li6s7kub2ilo4n0f6ec4',
];

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