PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791226092',
];

$_COOKIE = [
    'topics-session' => '1791245379.621.16476.611705|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => '5mbc7prfrdujmtn05q30e7ee81',
    '_csrf' => '6101000dc4725e10442235d799855d8677e5675cbc9196936b543304ba04c757a:2:{i:0;s:5:"_csrf";i:1;s:32:"UUlulHwsyM6aWfLb02PK-XCejvE13b30";}',
];

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