This thread is resolved. Here is a description of the problem and solution.
Problem:
You have installed WPML with a 'Multilingual Blog' license from an agency account and now wish to switch to a 'Multilingual CMS' license from your new personal account.
Solution:
1. Go to your wpml.org account profile and remove the key generated for the site you are attempting to register.
2. Navigate to Plugins->Add new->Commercial tab in your WordPress dashboard.
3. Choose to Unregister WPML or Register WPML and click on "Get a key for this site". This action will automatically generate a new key code for your site.
If this solution does not resolve your issue or seems outdated, we recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If further assistance is needed, please open a new support ticket at WPML support forum.
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