- Plesk for Linux
- A backup is stored in FTP server;
- Size of a backup downloaded the following way is less than 1KB:
The issue is caused by bug with ID #PPPM-10533, which is planned to be fixed in the product future updates.
Until fix it is possible, proceed with the following:
1. Login into Plesk;
2. In Tools&Settings > Backup Manager click on the green arrow next to the required backup to download it: