Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo for mariadb failed: Try again in /var/www/html/site/sysHeader.php on line 12

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for mariadb failed: Try again in /var/www/html/site/sysHeader.php:12 Stack trace: #0 /var/www/html/site/sysHeader.php(12): mysqli_connect('mariadb', 'db264795_113', Object(SensitiveParameterValue)) #1 /var/www/html/site/index.php(5): require('/var/www/html/s...') #2 {main} thrown in /var/www/html/site/sysHeader.php on line 12