title: iOS 6 facebook sdk 3.1.1 login error
body: <p>I tried to login using facebook followed the facebook tutorial in <a href="https://developers.facebook.com/docs/getting-started/facebook-sdk-for-ios/3.1/" rel="noreferrer">https://developers.facebook.com/docs/getting-started/facebook-sdk-for-ios/3.1/</a> to implement it but after the alert view asking me to allow my app use your data and press ok the error  </p>
  
  <p><strong>The operation could not be completed . (com.facebook.sdk error 2)</strong></p>
  
  <p>note that iam in the simulatore and i entered FB my account inside setting and it is logged correctly.</p>
  
  <p>debugging the issue it and the result of the error is as following : </p>
  
  <blockquote>
    <p>(NSError *) $1 = 0x0ac77290 Error Domain=com.facebook.sdk Code=2 "The operation couldn’t be completed. (com.facebook.sdk error 2.)" UserInfo=0xac77450 {com.facebook.sdk:ErrorLoginFailedReason=com.facebook.sdk:ErrorLoginFailedReason, com.facebook.sdk:ErrorInnerErrorKey=Error Domain=com.apple.accounts Code=7 "The Facebook server could not fulfill this access request: no stored remote_app_id for app" UserInfo=0xaa91d40 {NSLocalizedDescription=The Facebook server could not fulfill this access request: no stored remote_app_id for app}}</p>
  </blockquote>