You can check if a PO file is valid with the following command:

        msgfmt -c -o /dev/null <po file>
      

The following errors were found in puppetlabs-i18n-clojure 's PO files:

gettext: dev-resources/test-pos/git-ref.po: ref not a language code
gettext: dev-resources/test-pos/line-numbers.po: can't guess language
gettext: dev-resources/test-pos/no-git-ref.po: ref not a language code
gettext: dev-resources/test-pos/no-line-numbers.po: can't guess language
gettext: dev-resources/test-pos/no-project-id-version.po: can't guess language
      

Please ask the translator (identified by the Last-Translator field in the PO file), the language team (identified by the Language-Team field) or debian-i18n for a fix.