I am trying to: activate all the plugins and make them work, I downloaded all the latest plugins from wpml.org, and we have the latest php running.
When we activate string translation and translation management plugins, we get the message on the image below.
If needed, we can provide temporary access to the WordPress system because the website is not live.
I need to request temporary access (wp-admin and FTP) to your site - preferably to a test site where the problem has been replicated if possible - in order to be of better help. You will find the needed fields for this below the comment area when you log in to leave your next reply. The information you will enter is private which means only you and I can see and have access to it.
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The issue has occurred because you have installed the latest beta version of WPML core plugin but the add-on versions were not updated. I've now updated all of them to the latest beta version to match with the core plugin.
Also, I request you to update the WP Memory limit to at least 128 MB which is the minimum requirement of WPML: https://wpml.org/home/minimum-requirements/
Add this code to your wp-config.php to increase WP memory: