Requesting page insight for Facebook getting error “Graph returned an error: An unknown error has occurred. ”

问题

$helper = $fb->getRedirectLoginHelper();
$permissions = ['email','manage_pages','pages_manage_cta','publish_pages','publish_actions']; 

giving permissions.

$loginUrl = $helper->getLoginUrl('http://localhost/Facebook/insight.php', $permissions);

echo '<a href="' . $loginUrl . '">Log in with Facebook!</a>';

facebook Insight code.

$fb->setDefaultAccessToken($accessToken);

Get user groups detail

$requestPageInsights = $fb->request('GET', '/1364467436924381/insights/, $accessToken');

//Make a batch request

$batch = ['page-insights' => $requestPageInsights];

try {
$responses = $fb->sendBatchRequest($batch);
} catch(Facebook\Exceptions\FacebookResponseException $e) {

When Graph returns an error

echo 'Graph returned an error: ' . $e->getMessage();
exit;
} catch(Facebook\Exceptions\FacebookSDKException $e) {

When validation fails or other local issues

echo 'Facebook SDK returned an error: ' . $e->getMessage();
exit;
}

Graph returned an error: An unknown error has occurred.

回答1:

Just experienced the same issue. The error seems to be with batched requests - The solution for us was to change the code to do the requests individually.

来源：https://stackoverflow.com/questions/44716169/requesting-page-insight-for-facebook-getting-error-graph-returned-an-error-an