100% a more fitting community for this post, I just didnt rememeber it at the time

Yes, they are errors

Examples of such things being labelled as an error:

https://learningintheopen.org/2024/12/12/microsoft-outlook-error-error-failed-to-load-localized-strings/

https://docs.revenera.com/installshield26helplib/rn/Content/helplibrary/Localized_String_Considerations.htm