When updating or assigning a username for a user in the system, you may encounter a warning message indicating that the username cannot be saved. This typically occurs when the email address or username you are trying to assign is already registered to another user account in the system.
Usernames must be unique, which means the same email address or username cannot be used by more than one user profile. If you attempt to update a user’s login details to an email address that is already associated with another employee record, the system will prevent the change and display a warning message.
To resolve this issue, first check whether the email address or username is already assigned to another user in the system. If it is, you will need to either use a different, unused email address for the user you are updating or review the existing user account to determine whether it should be updated or removed. Ensuring that each user has a unique username will allow access to be configured correctly and prevent conflicts within the system.