Duplicated products lost variants names/selections
Solution:
1- Go to WPML-> Support-> Troubleshooting
2- Run the troubleshooting functions one by one (Kindly check this https://prnt.sc/_4780axdoPFX)
3- Go to WooCommerce Multilingual-> Attribute tab
4- Select the size attribute, and click on the Synchronize button
5- If these steps didn't fix the issue, please go to WooCommerce Multilingual-> status tab
6- Go to Troubleshooting
7- Select all options except the last one, and click on the Start button
8- Clear your site's cache