See the image. Each language has the same fields, but apparently, with a recent update of either ACF or WPML, the fields from each language all appear on the edit screen at the same time.
This site has 3 languages: English, Spanish, and Portuguese. Regardless of which language I edit in, all 3 sets of Field Groups appear at once:

This also is affecting how the fields are being retrieved on the front end. Please help…