Error processing remote manifest (duplicity-inc.20181221T055818Z.to.20190111T064311Z.manifest.gpg): GPG Failed, see log below:
===== Begin GnuPG log =====
gpg: WARNING: "--no-use-agent" is an obsolete option - it has no effect
gpg: AES encrypted data
gpg: encrypted with 1 passphrase
gpg: decryption failed: Bad session key
===== End GnuPG log =====
I had the same problem after upgrading from 16.04 to 18.04.
1) Ubuntu 18.04.1 LTS
2) ubuntu0. 1
deja-dup 37.1-2fakesync1
duplicity 0.7.17-0ubuntu1
--error message below--
Backup Failed
Error processing remote manifest (duplicity- inc.20181221T05 5818Z.to. 20190111T064311 Z.manifest. gpg): GPG Failed, see log below:
===== Begin GnuPG log =====
gpg: WARNING: "--no-use-agent" is an obsolete option - it has no effect
gpg: AES encrypted data
gpg: encrypted with 1 passphrase
gpg: decryption failed: Bad session key
===== End GnuPG log =====