PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791299510',
];

$_COOKIE = [
    'topics-session' => '1791377337.509.16479.608531|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => 'a899d4df27c082c6ad1ed7c41808147378aaf73849a851ca2cb91cd30652a9d9a:2:{i:0;s:5:"_csrf";i:1;s:32:"F5ubdbL2Ac_JZHNofNbCmaprNstwDwyh";}',
    'PHPSESSID' => 'ioiisj6cmuleolktq5e4l5upu2',
];

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