Authorization Facebook Failed

Hello Admin

I have problem when want to authorize facebook, always like this:

-= This is normal technical authorization info that will dissapear (Unless you get some errors) =-

-=
Array
(
[doFB] => 1
[nName] => FaceBook
[fbAppID] => [sorry this part of my hide for safety]
[fbAppSec] => [sorry this part of my hide for safety]
[catSelEd] =>
[fbPostType] => A
[fbAttch] => 1
[fbAttchAsVid] => 1
[imgUpl] => 1
[fbMsgFormat] => Produk Baru (%TITLE%) Di %SITENAME%
[fbMsgAFrmt] =>
[riComments] => 0
[riCommentsAA] => 0
[fbURL] => https://www.facebook.com/pages/Java4Mart/139544432778910
[fbPgID] => 139544432778910
[catSel] => 0
)
WP_Error Object
(
[errors] => Array
(
[http_request_failed] => Array
(
[0] => name lookup timed out
)

)

[error_data] => Array
(
)

)

Please help me admin

http://wordpress.org/plugins/social-networks-auto-poster-facebook-twitter-g/