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Avalara Help Center

Why am I getting a duplicate error when I attempt to create a user?


You are trying to add a new user to your account, but you are getting a duplicate user error (UniqueConstraintError):

"This is a duplicate of an existing user and cannot be saved."

However, the name of your new user is not in use in your account.


Avalara AvaTax


  • Under Manage Users set Active filter to <All> to see all users
    • If you can only see users for one company contact your Account Admin, the missing user likely has a role above you
  • Usernames must be unique among all accounts, so we recommend using an email address as their username.
    • For example, the username "Mary" may be unique at your company, but there is another user with that username in our system, so you cannot add a user "Mary" or "mary" to the service.
  • If the email address is not accepted as a unique username add a number,