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 pencil2d 's PO files: 
gettext: app/translations/mui_cs.po: mui_cs not a language code
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 pencil2d

Languagepo
mui_DE100% translated (3/3), 0% fuzzy (0/3), 0% untranslated (0/3),

Generated on Mon, 03 Mar 2025 21:14:14 +0000 (db: 2025-03-03)

Comments: Debian L10N Development Team

Checkout dl10n source code