taivoJ

Problem:
The client is experiencing 500 Internal Server Errors on translation pages (/ru and /en) when WPML Multilingual CMS is active. The issue persists despite disabling other plugins, updating permalinks, and checking .htaccess configurations.

Solution:
We recommend following these steps from the faq https://wpml.org/faq/why-is-htaccess-getting-overwritten-with-the-language-folder-on-my-wpml-website/

If the problem persists, please open a new support ticket at WPML support forum.