Facebook app error

please see the doc for creating fb app
https://docs.xyzscripts.com/wordpress-plugins/social-media-auto-publish/creating-facebook-application/

Hi,

happens to me by two days as they did in Janburg and I can not get into the restricted area to my account, in your site. I do not know what to do.
Thanks Roberto

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Impossibile trovare il server all’indirizzo docs.xyzscripts.com perché la ricerca DNS non è riuscita. Il DNS è il servizio di rete che converte il nome di un sito web nel suo indirizzo Internet. Questo errore è causato di solito dall’assenza di una connessione a Internet o da una rete configurata scorrettamente. Può anche essere causato da un server DNS che non risponde o da un firewall che impedisce a Google Chrome di accedere alla rete.
Access a cached copy of https://docs.xyzscripts.com/wordpress-plugins/social-media-auto-publish/creating-facebook-application/
Go to https://xyzscripts.com/
Cerca su Google

Codice di errore: ERR_NAME_NOT_RESOLVED
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hi,
the same mistake as it did to Janburg, now happens to me 2 days. I can not even, to enter the restricted area to my account. I do not know what to do.
thanks
Roberto

text message:

Warning: fopen (): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/agamennone1234/public_html/wp-content/plugins/xyz-wp-smap/admin/xyz-wp-smap-key.php(1) : eval () ‘d code (1): eval ()’ d code on line 18

Warning:fopen(https://validator.xyzscripts.com/index.php?page=license/validate/XYZWPSMPPRE/www.robertomileto.org/3509789126444adb63c481b53e8ce1f4): failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/agamennone1234/public_html/wp-content/plugins/xyz-wp-smap/admin/xyz-wp-smap-key.php(1): eval () ‘d code (1): eval ()’ d code on line 18

Unable to validate license. If you are getting this error Repeatedly please contact support desk.Dismiss
License Configuration

Sorry for the issue. The server ips got changed recently.
So there was some propagation delay.