New Admin Centre Team Pages

I am trying to add a Light Agent in my account, it says the email id is already in use. But when i search, it says no result. therefore i am not able to add "User/s".

Hey there, 
The Team Members page has now been released! It includes a new Add Team Member flow that flags when users exist and give you quick next steps. It also includes a seats remaining count that will hopefully make understanding seat use clearer. This release is the first step in making team management simpler.

Thank you again for providing feedback.
- Tess French

Update