While attempting to approve an event registration form for the web you may encounter this error message: Record operation could not be performed. Violation of UNIQUE KEY constraint 'IX_ SiteContent'. Cannot insert duplicate key in object 'dbo.SiteContent'. The duplicate key value is (1, 152, webforms Event Registration Page - NAME OF EVENT - Webforms Event Registration Express Form). The statement has been terminated. You may also notice that when you try to approve preregistered programs for the web that the page refreshes like it is making a change but the program is never approved for the web.
If you experience this issue please chat with support and reference this knowledgebase article