Warning: mysqli::__construct(): php_network_getaddresses: getaddrinfo for raspberrypidb1 failed: Name or service not known in /var/www/html/hausautomation/includes/mysqlc.php on line 10

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for raspberrypidb1 failed: Name or service not known in /var/www/html/hausautomation/includes/mysqlc.php:10 Stack trace: #0 /var/www/html/hausautomation/includes/mysqlc.php(10): mysqli->__construct() #1 /var/www/html/hausautomation/energie/chart_gas_jahr.php(7): include('...') #2 {main} thrown in /var/www/html/hausautomation/includes/mysqlc.php on line 10