Warning: file_get_contents(): php_network_getaddresses: getaddrinfo failed: Falha temporário na resolução de nome in /var/www/abracorp/htdocs/model/coursesModel.php on line 13

Warning: file_get_contents(https://www.4cacademy.com.br/cursos): failed to open stream: php_network_getaddresses: getaddrinfo failed: Falha temporário na resolução de nome in /var/www/abracorp/htdocs/model/coursesModel.php on line 13
Expecting a DOMNodeList or DOMNode instance, an array, a string, or null, but got "boolean".