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 heat 's PO files:

debconf: debian/heat-common.templates.in:4: Wrong input line:
 _Description: Configure Heat domain with debconf?
debconf: debian/heat-common.templates.in:5: Wrong input line:
  Heat domain must be configured to connect to Keystone. Specify this should be
debconf: debian/heat-common.templates.in:6: Wrong input line:
  configured through debconf.
debconf: debian/heat-common.templates.in:11: Wrong input line:
 _Description: Heat domain administrator username:
debconf: debian/heat-common.templates.in:12: Wrong input line:
  Please enter the username of the Heat domain administrator.
debconf: debian/heat-common.templates.in:16: Wrong input line:
 _Description: Heat domain administrator password:
debconf: debian/heat-common.templates.in:17: Wrong input line:
  Please enter the password of the Heat domain administrator.
debconf: debian/heat-common.templates.in:22: Wrong input line:
 _Description: Heat domain:
debconf: debian/heat-common.templates.in:23: Wrong input line:
  Please enter domain name which will be used as heat domain.
podebconf: file debian/po/templates.pot not found
podebconf: file debian/po/POTFILES.in not found
      

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.