我收到以下错误:
Error processing remote manifest (duplicity-inc.20181001T155227Z.to.20181004T170535Z.manifest.gpg): GPG Failed, see log below:
===== Begin GnuPG log =====
gpg: WARNING: "--no-use-agent" is an obsolete option - it has no effect
gpg: starting migration from earlier GnuPG versions
gpg: porting secret keys from '/home/master/.gnupg/secring.gpg' to gpg-agent
gpg: can't open '/home/master/.gnupg/secring.gpg': Permission denied
gpg: AES encrypted data
gpg: encrypted with 1 passphrase
===== End GnuPG log =====
我该如何修复此问题?