>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3556285. --> Reported by: [damienmckenna](https://www.drupal.org/user/108450) >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>When setting up the ckeditor plugin it is possible to enable the "Tone" plugin without the necessary "Chat" model, no indication is given that one is required in order for it to work - the text format form can be saved without error and the plugin shows up on on edit forms (though it doesn't work).</p> <h4 id="summary-steps-reproduce">Steps to reproduce (required for bugs, but not feature requests)</h4> <p>AI v1.2.1<br> ai_provider_google_vertex v1.1.1</p> <h3 id="summary-proposed-resolution">Proposed resolution</h3> <p>The "Tone" option indicates that a chat model is required in order for it to be used.<br> It is not possible to enable the AI ckeditor plugin's "Tone" option if no "chat" model is available or selectable.<br> Alternatively: The "Tone" option doesn't work in the ckeditor UI if a "chat" option is not available.</p> <h3 id="summary-remaining-tasks">Remaining tasks</h3> <p>Make the changes.</p> <h3>Optional: Other details as applicable (e.g., User interface changes, API changes, Data model changes)</h3> > Related issue: [Issue #3555812](https://www.drupal.org/node/3555812) > Related issue: [Issue #3557012](https://www.drupal.org/node/3557012)