File management display error

The previous installation prompted an error like this.

[ * ] Configuring SpamAssassin…
[ * ] Configuring fail2ban access monitor…
[ * ] Installing Roundcube…
[ * ] Configuring File Manager…
The “https://getcomposer.org/download/2.7.2/composer.phar.sig” file could not be downloaded: php_network_getaddresses: getaddrinfo for getcomposer.org failed: Temporary failure in name resolution
Failed to open stream: php_network_getaddresses: getaddrinfo for getcomposer.org failed: Temporary failure in name resolution
[ * ] Configuring PHP dependencies…
[ * ] Installing Rclone…

How to fix this error when uploading the file system after successful installation