Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo for mysql failed: Temporary failure in name resolution in /var/www/html/travsupsys.cz/lib/class.mysql.php on line 28

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for mysql failed: Temporary failure in name resolution in /var/www/html/travsupsys.cz/lib/class.mysql.php:28 Stack trace: #0 /var/www/html/travsupsys.cz/lib/class.mysql.php(28): mysqli_connect() #1 /var/www/html/travsupsys.cz/menu.php(24): tMySql->connect() #2 {main} thrown in /var/www/html/travsupsys.cz/lib/class.mysql.php on line 28