Can not edit site language in site settings for Community Site

• Type: Bug
• Status: Closed
• Resolution: Won't Fix
• Affects Version/s: 7.1.X
• Fix Version/s: None
• Component/s: Sites Administration > Sites
• Labels: None
• QA Test Score: 0

Steps to reproduce:

1. Go to Sites > Add > Community Site: Site Name
2. Go to Site Name > site settings > Languages
3. Click 'Define a custom default language and additional available languages for this site.'

Expected result:
The radio can be clicked
Actual result:
The radio is not clickable.