The possible issue could be PHP OpenSSL is not configured properly in this case. Kindly contact the hosting provider of your WordPress site installed server and ensure that OpenSSL is appropriately set.
Empty Reply From Server
Docs
- Installing the IWP Admin Panel
- Securing the IWP admin panel
- The IWP admin panel explained
- Adding your WP site to IWP
- Site-specific operations
- Removing your WP site from IWP
- Organize sites into groups
- Updates
- Plugins & Themes management
- Backups
- Activity Log
- Installing your addons
