PHP Core Warning – yii\base\ErrorException

$_GET = [
    'random' => '1791035660',
];

$_COOKIE = [
    'PHPSESSID' => '9jdionfd08i46t5uu152acuhq5',
    'topics-session' => '1791231625.215.16482.930011|d197bbbd1d400bd72372bc93068ad169',
    '_csrf' => 'c8e542aeff4caa9844f29ff99d726a79719019fe2d5992eb2cde48900a6d11b3a:2:{i:0;s:5:"_csrf";i:1;s:32:"IcU27wBwqSd2LmkuN28cliX1gGV2I__O";}',
];

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