Get Facebook Page Source Text From Web View

i used this link https://graph.facebook.com/v10.0/korabia/likes HTTP/1.1

** i’m not an admin on this page

and this the result

{
“error”: {
“message”: “Unknown path components: /likes HTTP/1.1”,
“type”: “OAuthException”,
“code”: 2500,
“fbtrace_id”: “AiIRFirfgv1SSwJI5wtsF64”
}
}

tried it from facebook guide