I've created a community. From community register pages, public user can able to Register as a community user. It works fine in sandbox, but when I deploy it to production and try to create the user it shows me error that
Company has reached the available portal license limit.
I can see there are 240 licence available in sand box and I've not used any licence in production yet. means, Licence is available on my org. please check the below licence screenshot of my production org.
Why above community licence name are different in sandbox and production, and why I'm not able to create community user in production