“An error has occurred in AI Assistant” errors are thrown when adding available previous conversations to favorites in the Chats window in Assistant window

Steps to reproduce:
1. Create new Unity project using Universal 3D Template
2. In the Unity toolbar, click the “AI” button
3. Click “Agree and install Unity AI” and install AI Package
4. Open Assistant window and click “Chats” button
5. Start (Add to favorites) every available previous conversation
6. Observe the Console window

Actual results: “An error has occurred in AI Assistant. There was an issue toggling favorite from the server. Please try again. If the issue persists check your network connection or file a bug using Help > Report a Bug…” error is thrown in the Console after adding previous conversations to favorite
Expected results: No errors are thrown in the Console

Reproducible with versions: 2.7.0-pre.1 (6000.3.14f1, 6000.4.6f1, 6000.5.0b7, 6000.6.0a4)

Can’t test with versions: 6000.0.74f1 (AI package is not available)

Tested on (OS): macOS Silicon Tahoe 26.4.1