title: OAuthException 2500 (Unknown path components) when trying to register Achievement in Facebook
body: <p>I am trying to register a Facebook open graph achievement for an app. I obtain the app access token and post the following request using open graph API explorer:</p>
  
  <p><a href="https://graph.facebook.com/752901688356092/achievements&amp;achievement=https://googledrive.com/host/0B1R_JKMKJc2KbkNqZTdleEZvOUE/brags/fb_achive_100_words.html&amp;display_order=100&amp;access_token=752901688356092|pPwn52AvX-Pkj2n8Tavopew5Rav" rel="noreferrer">https://graph.facebook.com/752901688356092/achievements&amp;achievement=https://googledrive.com/host/0B1R_JKMKJc2KbkNqZTdleEZvOUE/brags/fb_achive_100_words.html&amp;display_order=100&amp;access_token=752901688356092|pPwn52AvX-Pkj2n8Tavopew5Rav</a></p>
  
  <p>(note that app ID an access token above are not the real ones). However, I get the following response:</p>
  
  <pre><code>{
    "error": {
      "message": "Unknown path components: /achievements&amp;achievement=https://googledrive.com/host/0B1R_JKMKJc2KbkNqZTdleEZvOUE/brags/fb_achive_100_words.html&amp;display_order=100&amp;access_token=752901688356092|pPwn52AvX-Pkj2n8Tavopew5Rav",
      "type": "OAuthException",
      "code": 2500
    }
  }
  </code></pre>
  
  <p>I have registered the app as a games type app and I have verified the achievement URL using open graph debugger (it shows the achievement and reports everything is fine). I also tried the above without the app-ID included in the access token. What could I be missing?</p>