Background of the issue:
I have a license for a website ecotravel-portugal.com and have set up a staging site on the subdomain staging.ecotravel-portugal.com using cPanel Softaculous. I updated several plugins successfully, but WPML Multilingual CMS and Advanced Custom Fields Multilingual were not upgraded.
Symptoms:
I received a warning regarding the domain change, and the plugins WPML Multilingual CMS and Advanced Custom Fields Multilingual were not upgraded.
Questions:
Can I use the same license on staging sites?
Why were WPML Multilingual CMS and Advanced Custom Fields Multilingual not upgraded?
Because a staging site is using a different domain, you will need to use a different license (WPML Key).
You can go here (http://wpml.org/account/sites/) > generate a new key for the staging domain > copy it > then go to your site > Plugins > Add new > Commercial > UNregister WPML from the old key (if needed) and click Register and add the new WPML key.
You can also try to also update manually by following the steps below:
