Problem: The client is unsure about an issue related to ACF Field Groups being set to translatable within WPML. Solution: We recommend setting the ACF Field Groups to 'Not translatable'. To do this, follow the steps in our documentation: Translating Custom Posts.
If this solution does not apply to your situation because it might be outdated or not relevant to your specific case, please open a new support ticket. We also highly recommend checking related known issues at WPML Known Issues, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If further assistance is needed, do not hesitate to contact us in the WPML support forum.
