Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo for popfull-database failed: Temporary failure in name resolution in /var/www/html/pages/pics.php on line 26

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for popfull-database failed: Temporary failure in name resolution in /var/www/html/pages/pics.php:26 Stack trace: #0 /var/www/html/pages/pics.php(26): mysqli_connect('popfull-databas...', 'popfull', Object(SensitiveParameterValue), 'popfulldb') #1 /var/www/html/pages/pics.php(46): loadWebcam() #2 /var/www/html/index.php(152): include('/var/www/html/p...') #3 {main} thrown in /var/www/html/pages/pics.php on line 26