Fatal error: Uncaught Facebook\Exceptions\FacebookSDKException: Unknown SSL protocol error in connection to graph.facebook.com:443  in /mnt/web111/c2/28/5131428/htdocs/system/custom/library/php-graph-sdk/src/Facebook/HttpClients/FacebookCurlHttpClient.php:73
Stack trace:
#0 /mnt/web111/c2/28/5131428/htdocs/system/custom/library/php-graph-sdk/src/Facebook/FacebookClient.php(216): Facebook\HttpClients\FacebookCurlHttpClient->send('https://graph.f...', 'GET', '', Array, 60)
#1 /mnt/web111/c2/28/5131428/htdocs/system/custom/library/php-graph-sdk/src/Facebook/Facebook.php(469): Facebook\FacebookClient->sendRequest(Object(Facebook\FacebookRequest))
#2 /mnt/web111/c2/28/5131428/htdocs/system/custom/library/php-graph-sdk/src/Facebook/Facebook.php(341): Facebook\Facebook->sendRequest('GET', '/marcuswupperta...', Array, '457856737582793...', NULL, 'v3.2')
#3 /mnt/web111/c2/28/5131428/htdocs/system/custom/library/Facebook.php(26): Facebook\Facebook->get('/marcuswupperta...', '457856737582793...')
#4 /mnt/web111/c2/28/5131428/htdocs/ in /mnt/web111/c2/28/5131428/htdocs/system/custom/library/php-graph-sdk/src/Facebook/HttpClients/FacebookCurlHttpClient.php on line 73