This thread is resolved. Here is a description of the problem and solution.
Problem: There is an updated version of sitepress-multilingual-cms y wpml-cms-nav, but these emelents are not updated wpml-sticky-links, wpml-string-translation, wpml-translation-management. Solution: Unregister the website, delete the existing key generated for your website (form this pagehttps://wpml.org/account/sites/), create another one, and register again your website.
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.