PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791495852',
];

$_COOKIE = [
    '_csrf' => 'fe856e23ed49fa9932b2c6d7f83c4146ddd68cdc229719f375bb9cf81cd03526a:2:{i:0;s:5:"_csrf";i:1;s:32:"APQ2gGYzPkR0VEDTTeuNPd6T2wIHm199";}',
    'topics-session' => '1791770213.049.16901.313348|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => 'dquijbri3c8rh8k1kgqicsbhh1',
];

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