Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo for mariadb1 failed: Temporary failure in name resolution in /var/www/html/sub_affgen/public_html/app/functions.php on line 22

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for mariadb1 failed: Temporary failure in name resolution in /var/www/html/sub_affgen/public_html/app/functions.php:22 Stack trace: #0 /var/www/html/sub_affgen/public_html/app/functions.php(22): mysqli_connect() #1 /var/www/html/sub_affgen/public_html/app/functions.php(11): DB_con1->connectDB() #2 /var/www/html/sub_affgen/public_html/app/login.php(7): DB_con1->__construct() #3 {main} thrown in /var/www/html/sub_affgen/public_html/app/functions.php on line 22