How Do I Resolve Error 13049

You may encounter the following error when updating an employee’s user settings: "The specified username ... has already been assigned. Please choose a different username or contact the system administrator for additional information."

This error typically occurs in the following scenario:
Updating an employee user's settings, especially the "Username" field.

🔍 Why This Happens
This error message usually appears when the chosen username is already in use—either on your own platform or on another organisation's platform within Cezanne.

✅ How to Resolve It

In this rare scenario, the only solution is to use a different, unique username.