PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791198408',
];

$_COOKIE = [
    'topics-session' => '1791279428.653.16476.676023|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => '9e81d77ea1c036ddef118a8bc3b3ca2d569c8cc682bffd5105320f877fd21250a:2:{i:0;s:5:"_csrf";i:1;s:32:"4n12d_QU92g28UTgKomQeLOnGLlSpHaE";}',
    'PHPSESSID' => '32vkptuhpe6qloa030te5sb4m6',
];

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