title: Firebase/InAppMessaging error show in Xcode console
body: <pre><code> pod 'Firebase/Database'
   pod 'Firebase/InAppMessagingDisplay'
   pod 'Firebase/Messaging'
  </code></pre>
  
  <p>Why this error?
  I read the document and setup code and project as well properly, but when I send InAppMessaging from firebase deshboard and open the app I got this error. </p>
  
  <pre><code>[Firebase/InAppMessaging][I-IAM130004] Failed restful api request to fetch in-app messages: seeing http status code as 400 with body as {
    "error": {
      "code": 400,
      "message": "Request contains an invalid argument.",
      "status": "INVALID_ARGUMENT"
    }
  
  
  [Firebase/InAppMessaging][I-IAM700002] Error happened during message fetching Error Domain=NSURLErrorDomain Code=400 "(null)"
  </code></pre>