Hi,I am using osTicet 1.10 RC2 for testing, I need to restrict the access to knowledge base to users who are registeredI create one testing users and tried to enable this restriction by admin Panel>Settings>Knowledge Base >enbaled Require Client Login and it gave me the following errorUnable to update settings - correct errors below and try againThe knowledge base cannot be restricted unless client registration is enabledI do not know how to solve this issue.attached the settings for users.