No, I can’t really try it. I’d need to set up a WP site using your theme and all of the custom fields from your theme. I was just trying to point out something that you may have missed. This forum is really meant for questions about ACF and while you’re using ACF to create your fields this is not really an ACF question, it’s more of a WP translation question. You’d probably get better help from somewhere from users that have experience with setting up translations.
Here are some pages I found on this:
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