This thread is resolved. Here is a description of the problem and solution.
Problem:
The client is experiencing a critical error with their site map in the footer, which is generated by Rank Math. This issue is causing the page to display incorrectly and is a concern for SEO.
Solution:
If you're experiencing a similar issue with your site map, we recommend you follow these steps:
1) Ensure you have a full site backup before proceeding.
2) Update all plugins to their latest versions.
3) Navigate to WPML>>Support page, and click on the Troubleshooting link.
4) On the Troubleshooting page, under the *Clean up* section, perform the following actions, waiting for confirmation after each:
- Clear the cache in WPML
- Remove ghost entries from the translation tables
- Fix element_type collation
- Set language information
- Fix WPML tables collation
- Assign translation status to duplicated content
- Fix terms count
- Fix post type assignment
- Cleanup and optimize string tables
5) Clear all types of cache on your site.
6) Activate the WPML SEO plugin if it's not already active.
7) Go to Settings>>Permalinks and resave the settings.
If this solution doesn't seem relevant to your issue, please don't hesitate to open a new support ticket with us. You can do so by visiting the WPML support forum.
This is the technical support forum for WPML - the multilingual WordPress plugin.
Everyone can read, but only WPML clients can post here. WPML team is replying on the forum 6 days per week, 22 hours per day.
This topic is split from https://wpml.org/forums/topic/critical-error-of-the-entire-site-after-installation-and-settings-finish/