title: The recipient device is not registered with FCM
body: <p>The page I'm sending with fcm is having internal error 500</p>
  
  <p>I don't want the page to be errored out with 500</p>
  
  <pre><code>$interestDetails = [$user-&gt;tokenid, $user-&gt;token];
  $expo = \ExponentPhpSDK\Expo::normalSetup();
  $expo-&gt;subscribe($interestDetails[0], $interestDetails[1]);
  $a = $notification = ['title'=&gt;'xxx','body' =&gt; 'yyyy'];
  $a = $expo-&gt;notify($interestDetails[0], $notification);
  </code></pre>