wrong default language on german wiki

I have a wiki with main language German, but the template uses 'en' as a default if available. Any idea how I can debug this?

--Garonenur (talk) 13:24, 26 September 2017 (UTC)

Template:Translatable template name/6

This paragraph is not ready for translation. BenyElbis (talk) 08:55, 10 February 2025 (UTC)

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The following text is not ready for translation. BenyElbis (talk) 08:57, 10 February 2025 (UTC)

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This paragraph is not ready for translation. BenyElbis (talk) 08:58, 10 February 2025 (UTC)

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This paragraph is not ready for translation. BenyElbis (talk) 09:00, 10 February 2025 (UTC)