This thread is resolved. Here is a description of the problem and solution.
Problem:
You want to switch from the Classic Translation Editor to the Advanced Translation Editor on your website and are concerned about whether it is safe to do so without losing your existing translations.
Solution:
We recommend checking the information in a related support ticket where a similar issue was discussed. You can find this discussion here: https://wpml.org/forums/topic/translations-lost-when-switched-to-advanced-editor/. This will help you understand the steps you might need to take to ensure your translations are preserved when making the switch.
If this solution does not apply to your case because it might be outdated, or if you have further questions, we highly recommend opening a new support ticket. Also, please check related known issues at https://wpml.org/known-issues/, verify the version of the permanent fix, and confirm that you have installed the latest versions of themes and plugins. For further assistance, you can always contact us through our support forum at https://wpml.org/forums/forum/english-support/.
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