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 golang-github-leonelquinteros-gotext 's PO files:

gettext: cli/xgotext/fixtures/i18n/default.po: can't guess language
gettext: cli/xgotext/fixtures/i18n/domain.po: can't guess language
gettext: cli/xgotext/fixtures/i18n/domain2.po: can't guess language
gettext: cli/xgotext/fixtures/i18n/translations.po: can't guess language
gettext: fixtures/ar/categories.po: can't guess language
gettext: fixtures/ar/no_plural_header.po: can't guess language
gettext: fixtures/de/default.po: can't guess language
gettext: fixtures/en_AU/default.po: can't guess language
gettext: fixtures/en_US/default.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.