Getting error while generating ucs file with passphrase

list sys db config.encryption The requested database variable (config.encryption) was not found.

list sys db ?

all-properties non-default-properties one-line | Identifier: [object identifier] Properties: "{" default-value scf-config value value-range

This option isn't available.

I tried to grep the db output find below options for config

sys db config.auditing { sys db config.auditing.forward.destination { sys db config.auditing.forward.multiple { sys db config.auditing.forward.sharedsecret { sys db config.auditing.forward.type { sys db config.auditing.truncate { sys db configsync.allowmanagement { sys db configsync.copyonswitch { sys db configsync.localconfigtime { sys db configsync.password { sys db configsync.peeripaddr { sys db configsync.username {