This thread is resolved. Here is a description of the problem and solution.
Problem:
The client is experiencing issues with the navigation menu on mobile devices. The menu does not open on the homepage, but it works on other pages.
Solution:
We recommend deactivating the WPML plugin temporarily to check if the issue persists. This step will help determine whether the problem is related to WPML or if it might be a conflict with the theme's styling.
If the problem continues after deactivating WPML, it suggests a potential conflict with the theme rather than an issue with WPML itself. In such a case, checking the theme's settings or contacting the theme's support might be necessary.
If this solution does not resolve your issue or seems irrelevant due to updates or differences in your setup, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. Should you need further assistance, please open a new support ticket at WPML support forum.
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This topic is split from https://wpml.org/forums/topic/linking-domains/