PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1790932082',
];

$_COOKIE = [
    '_csrf' => '358a1bd6085541bfd0e4f11f48392e6179e7b4c56bbc3acb40c10aebfba41189a:2:{i:0;s:5:"_csrf";i:1;s:32:"z5T0lz3j1EE2hHrF7Q7-nwcpGokbOlUy";}',
    'topics-session' => '1791272575.318.16814.809255|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'ealvuu51oh5rvcvotb05c7frt7',
];

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