This thread is resolved. Here is a description of the problem and solution.
Problem: The client is unable to access WPML>>Settings>>Taxonomies Translation due to a fatal error indicating a type mismatch in WPML_WP_Roles::get_highest_level(). Solution: We recommend logging in as a different admin user to verify if the issue persists. Additionally, it's crucial to perform a full site backup before attempting any fixes. You may also want to try the workaround suggested in a related support ticket, which can be found here: related support ticket.
If this solution does not resolve your issue, or if it seems outdated or irrelevant to your case, please open a new support ticket. 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.
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But I can not access WPML>>Settings>>Taxonomies Translation
When I do I get the following FATAL ERROR:
Fatal error: Uncaught Error: WPML_WP_Roles::get_highest_level(): Argument #1 ($capabilities) must be of type array, bool given, called in /home/wordpress/doc_root/wp-content/plugins/sitepress-multilingual-cms/classes/wpml-wp/class-wpml-wp-roles.php on line 94
in /home/wordpress/doc_root/wp-content/plugins/sitepress-multilingual-cms/classes/wpml-wp/class-wpml-wp-roles.php on line 56
Welcome to the WPML support forum. I will do my best to help you to resolve the issue.
Please login as a different admin user and make sure the bug exists or not.
This may be related to the following ticket. Please try the workaround suggested there after a full site backup and make sure the problem remains or not.
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