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Editorial Team
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Asked: 2026-06-02T05:32:39+00:00

Fatal error: Uncaught OAuthException: (#803) Some of the aliases you requested do not exist:

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Fatal error: Uncaught OAuthException: (#803) Some of the aliases you requested do not exist: 0_309479102458745 thrown in /base_facebook.php on line 1039

My app was working fine and then suddenly many users are gettings this error (with the exception of 0_309479102458745 varying somewhat).

I changed it to treat them as varchar and followed all the suggestions listed here Facebook PHP throwing exception "(#803) Some of the aliases you requested do not exist".

here is the code causing it:
$result = $facebook->api(‘/me/feed/’, array(‘access_token’ => $facebook->access_token,’limit’=>50)); //get posts
foreach($result[‘data’] as $posts)

I’m not sure exactly where I should begin troubleshooting this since it started out of nowhere.

I appreciate your help!

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1 Answer

  1. Editorial Team

    0_309479102458745 won’t work because 0 isn’t a valid user ID.

    That format of ID is a User or Page ID followed by the post ID; you should never be seeing 0_{post ID} coming back from the feed:

    • if you are it could be a bug in the API – you can file it here: https://developers.facebook.com/bug
    • if you’re manually constructing that value, you may be doing so incorrectly.
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