Warning: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /var/www/akb48/public/page/takamina_sotugyo/cms/required.php on line 140

Fatal error: Uncaught exception 'Exception' with message 'DbManager#doConnect() error=SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known' in /var/www/akb48/public/page/takamina_sotugyo/cms/required.php:143 Stack trace: #0 /var/www/akb48/public/page/takamina_sotugyo/cms/required.php(156): DbManager->doConnect('mysql:host=akb4...', 'akbdbadmin', 'pN6AtDPdjLDW') #1 /var/www/akb48/public/page/takamina_sotugyo/cms/model.php(13): DB_QUERY('\n\t\t\tSELECT *\n\t\t...', Array, 1) #2 /var/www/akb48/public/page/takamina_sotugyo/cms/controller.php(16): get_news() #3 /var/www/akb48/public/page/takamina_sotugyo/cms/required.php(172): include('/var/www/akb48/...') #4 /var/www/akb48/public/page/takamina_sotugyo/index.php(1): include('/var/www/akb48/...') #5 {main} thrown in /var/www/akb48/public/page/takamina_sotugyo/cms/required.php on line 143