[Resuelto] I am working on my development site and I’m having a problem with the WPML key.

Background of the issue:
I am working on my development site and having a problem with the WPML key. I want to ensure the site works properly during development without affecting my production site.

Symptoms:
I am getting a notification related to the WPML key.

Questions:
Why am I getting this notification?
How should I correctly set up my development site with WPML?