Warning: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /var/www/html/public_html/sthchat/libs/classes/Mibew/Database.php on line 186

Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known' in /var/www/html/public_html/sthchat/libs/classes/Mibew/Database.php:186 Stack trace: #0 /var/www/html/public_html/sthchat/libs/classes/Mibew/Database.php(186): PDO->__construct('mysql:host=orio...', 'chat', 'eNBYOmkTXODFaiw...', Array) #1 /var/www/html/public_html/sthchat/libs/init.php(92): Mibew\Database::initialize('orionedutech.cn...', 3306, 'chat', 'eNBYOmkTXODFaiw...', false, 'orion_live_chat', 'mychat_') #2 /var/www/html/public_html/sthchat/index.php(21): require_once('/var/www/html/p...') #3 {main} thrown in /var/www/html/public_html/sthchat/libs/classes/Mibew/Database.php on line 186