Facebook dialog/feed not working for Pages -


my problem facebook dialog feed url not posting when use facebook 1 of business page (from top right side dropdown). gives 500 internal server error. when switch regular user (my personal account) starts working. checked other popular sites (like cnn.com ) , use dialog/share , doesn't work facebook pages , forces switch personal user. working few days back.

for ref here dialog feed url

https://www.facebook.com/dialog/feed? app_id=145634995501895 &display=popup&caption=an%20example%20caption  &link=https%3a%2f%2fdevelopers.facebook.com%2fdocs%2f &redirect_uri=https://developers.facebook.com/tools/explorer


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