3DEXPERIENCE SOLIDWORKS Role assigning issue

Hello Everyone 
Greetings !

 

On the 3DEXPERIENCE Platform, I have 2 XWB & 2 XWA Roles and 3 Members (one is recently removed who was assigned with XWB role).So, technically my XWB role is assigned to one user only as you can see in picture and another role should be free but platform showing me 2 out of 2 licenses used and restricting me to assign this role to any other user.

If someone have any idea about resolving this kind of issue, Kindly Help.

 

Thanks in advance