ZoomRoom not able to update email address

Hello,

We are facing an strange issue, we have a list of EXCHANGE Room mailbox that were created, and implemented with Zoom Room. 
We have made a modification on the email address. 
Now when we try on the Zoom Room profile to add external Calendar and select the new address and save it, goes to another tab and come back, the profile is not updated. When we do the same with the previous email address and save it, the profile stay and working.

Who can we make it for the new address ?