If you or your colleague create the new user(s) or update the user in the Device, you need to download the new records and up-to-date information to the Ingress System.
How to Download User?
After logging in Ingress, go to the Page User
Click "Download User"
Select the Device
Select the User, you can select All (Highlighted green colour users are the existing records)
Select the Data you need to update, normally select All