facebook - Messenger Extensions Javascript SDK Error 2071011 -


i'm trying create messenger web view (https://developers.facebook.com/docs/messenger-platform/messenger-extension) using messenger extensions javascript sdk.

the page opened web view has following js code 

<script>  (function(d, s, id){    var js, fjs = d.getelementsbytagname(s)[0];    if (d.getelementbyid(id)) {return;}    js = d.createelement(s); js.id = id;    js.src = "//connect.facebook.com/en_us/messenger.extensions.js";    fjs.parentnode.insertbefore(js, fjs);  }(document, 'script', 'messenger'));    window.extasyncinit = function () {      // messenger extensions js sdk done loading      messengerextensions.getuserid(function success(uids) {          var psid = uids.psid;          alert(psid);      }, function error(err) {          alert("messenger extension error: " + err);      });  };  </script>

and result alert following message "messenger extension error: 2071011". method "getuserid" goes in error. "2071011" error code means? , how solve it? i've searched lot nothing has been found it.

any appreciated!!

ps: guide says whitelist site of url , i've done too.

how trying open webview? facing same issue messenger extensions work on ios , android per documentation. code works me on ios , throws same error on desktop messenger app. hope helps.


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