Error occurred in deployment step 'Activate Feature':

As I haven't worked on SharePoint yet but I can provide you some blogs related to your question http://blog.sharepointsite.co.uk/2010/11/error-occurred-in-deployment-step.html https://sharepointsd.wordpress.com/2013/06/20/a-duplicate-field-name-was-found/ https://social.msdn.microsoft.com/Forums/en-US/39b9bb3b-c15a-46be-b6d7-6e485be763ce/unable-to-activate-publishing-infrastructure-feature-in-site-collection-of-sharepoint-2013?forum=sharepointdevelopment https://zimmergren.net/sp-2013-duplicate-field-name-was-found-after-upgrading-your-sharepoint-2010-solutions/ Hope this blogs helps you