Steps to replicate the issue (include links if applicable):
- With a sysop account, go to https://test.wikipedia.org/wiki/Special:CommunityConfiguration/HelpPanel.
- Under Namespaces with the help panel disabled in both reading and editing mode, select the (Main) namespace
- Hit Save changes
What happens?:
Validation error:
What should have happened instead?:
Form should be saved with no issues.