We are getting the expected results in local copy after the following steps. Please try it after a full site backup and let us know your feedback.
1) Visit WPML>>Settings>>Custom Fields Translation
2) Click on *Show systems fields* link
3) Search for the *_eael_widget_elements* field
4) Set it as *Copy* and save the changes
5) Open the page for editing in the original language - hidden link
6) Make a minor change in the page content to refresh the translation settings and update it
7) Update the translation
We almost did it. I followed steps 1-6.
Then, I updated the translation in the three languages. In two of them the issue was resolved.
But in the Catalonian language translation the problem remains, though I tried different other changes.
