This thread is resolved. Here is a description of the problem and solution.
Problem:
The client is unable to synchronize the menu using WPML, experiencing a continuous processing issue without completion. Despite not observing a 504 error in the WordPress debug log, a PHP notice related to early translation loading was identified.
Solution:
We recommend checking the server error logs for any 504 errors, as these might not appear in the WordPress debug log but are typically generated by the server. Additionally, consider increasing the server limits temporarily to accommodate the demands of menu synchronization. The settings to adjust include:
max_execution_time
memory_limit
max_input_vars
Furthermore, attempt the synchronization using only the WPML plugins and a default theme, such as Twenty Twenty-Four, to rule out any theme-related issues.
If these steps do not resolve the issue, we suggest visiting related known issues and verifying that you have installed the latest versions of themes and plugins. If the problem persists, please open a new support ticket.
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