Why do I get Error Changing Account Type message?
Learn what causes this error when trying to change a user account into a Team Manager or Admin
When you are trying to change a user account into either a Team Manager or Admin account and the Error Changing Account Type error appears, it's because this user has an account in another organisation.

▶️ Contact Forget Me Not® Support and provide the details of the user and they can fix the issue. Once the user has been fixed you can continue to change their account type as required.