Comment 4 for bug 1773174

Thanks for finding the source of this puzzling message! I noticed John and Daniel made translation suggestions for both of the offending messages; what needs to happen to merge them?

Moreover, if you'll allow me an additional comment on this:

I really like that you care so much about UX and copy quality that you added a form of automatic testing for it. Having said that, the delivery of the results of its is suboptimal:

 - this issue is not actionable for users (except for filing a bug report).
 - translators typically won't see these errors (or even realize that they caused it; it's really quite cryptic)
 - developers won't test very many locales

It's also quite scary to get a warning from your package manager -- "how badly broken is my system?" -- and that's not really fitting for such a harmless issue.

It might be wiser to put these kinds of warnings in a CI build that deliberately scans all translations. And even if that's not in place yet, I would err on the side of just suppressing this warning from the end-user binary for now; it's not an effective tool for what it's trying to do.