MissingTopic

[Phireak Noeur]

$push = new PushNotification('apn');
$apn = $push->setConfig(['topic' => 'com.example.walletapp.io']);

$response = $apn->setMessage(['aps' => []])
->setDevicesToken($device)
->send()
->getFeedback();

return response()->json($response);

The response
{
"success": false,
"error": "",
"results": [
{
"status": 400,
"headers": "HTTP/2 400 \r\napns-id: 9D3220FE-444B-633E-D1F1-5D0DCB4F537A",
"body": "{"reason":"MissingTopic"}",
"token": device_token_goes_here
}
]
}

did i miss any configurations for apn ?