Backup finishes with the following error:
PLESK_ERROR: Error: server "server"
Cannot encrypt dump file (this is not fatal error!): Unable to obtain secret key for passwords encryption.
Encryption key is missing or corrupted.
- Login to the server via SSH;
- Regenerate the encryption key:
# plesk sbin encrypt_keygen
Note: the following command line output message can be safely ignored:
Unable to generate new key - key file exists