PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1790994006',
];

$_COOKIE = [
    '_csrf' => 'e445df91cfb45d05505829438a48b481cf8b3abd1efd6aa5f040973bd6ef4571a:2:{i:0;s:5:"_csrf";i:1;s:32:"Go06s5F_dgnQywMrYNH3gWxHlSpCmhZV";}',
    'topics-session' => '1791002153.15.16490.996484|d197bbbd1d400bd72372bc93068ad169',
    'PHPSESSID' => '65n01fll1j9f0b5vt0fvk6fa17',
];

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