Your package's translations have errors

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 proftpd-dfsg 's PO files:
gettext: locale/en_US.po: warning: Charset "CHARSET" is not a portable encoding name.
                                                                              Message conversion to user's charset might not work.
      
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.

Translation status of package proftpd-dfsg

Languagepo
bg_BG92.3913043478261% translated (255/276), 0% fuzzy (0/276), 7.60869565217391% untranslated (21/276),
en_US0% translated (0/276), 0% fuzzy (0/276), 100% untranslated (276/276),
es_ES100% translated (276/276), 0% fuzzy (0/276), 0% untranslated (0/276),
fr_FR100% translated (176/176), 0% fuzzy (0/176), 0% untranslated (0/176),
it_IT100% translated (198/198), 0% fuzzy (0/198), 0% untranslated (0/198),
ja_JP98% translated (196/200), 0% fuzzy (0/200), 2% untranslated (4/200),
ko_KR100% translated (198/198), 0% fuzzy (0/198), 0% untranslated (0/198),
ru_RU100% translated (134/134), 0% fuzzy (0/134), 0% untranslated (0/134),
zh_CN100% translated (198/198), 0% fuzzy (0/198), 0% untranslated (0/198),
zh_TW100% translated (198/198), 0% fuzzy (0/198), 0% untranslated (0/198),

Generated on Sun, 19 Sep 2021 02:03:06 +0000 (db: 2021-09-18)

Comments: Debian L10N Development Team

Checkout dl10n source code