[Geschlossen] Update caused fatal error website

Background of the issue:
I was trying to upgrade the WPML Multilingual CMS plugin to version 4.8.5 on my WordPress site. After the update, I encountered a fatal error. My site is versteckter Link, and the error occurred on the page versteckter Link. WordPress has notified me of this issue via an automated email. I am using WordPress version 6.8.3, the Flatsome Child theme version 3.0, and PHP version 8.1.33. The error details are as follows: An error of type E_ERROR occurred on line 104 of the file /data/sites/web/italianbraceletnl/www/wp-content/plugins/sitepress-multilingual-cms/vendor/wpml/wpml/src/config-endpoints.php. The error message is: Uncaught Error: Class "WPMLUserInterfaceWebInfrastructureCompositionRootConfigPostHogEndpointDataProvider" not found. I have a recovery mode link: versteckter Link.

Symptoms:
After upgrading the WPML Multilingual CMS plugin, I encountered a fatal error. The error message is: Uncaught Error: Class "WPMLUserInterfaceWebInfrastructureCompositionRootConfigPostHogEndpointDataProvider" not found in /data/sites/web/italianbraceletnl/www/wp-content/plugins/sitepress-multilingual-cms/vendor/wpml/wpml/src/config-endpoints.php:104.

Questions:
How can I resolve the fatal error caused by the WPML plugin update?
What steps should I take to fix the missing class error in the WPML plugin?