Getting a different deployment/region error when adding a new user.

Getting a different deployment/region error when adding a new user.

Hi , 
Im trying to add a new user email to my existing domain but keep getting a deployment error. 
Have already sent you guys 2 emails since yesterday already and the chat service is useless as i'm guessing no ones on it!
Kindly request you to look into it and reply please.
Email - info@roseanddiamond.co.uk