I had problems upgrading a WSP containing one or more Page Layouts? Unable to edit or update a Page Layout? Related article: Editing SharePoint Webparts embedded within Page Layouts https://www.sjlewis.com/2015/10/15/editing-sharepoint-webparts-embedded-within-page-layouts/ Navigate to the site settings of the root website (within a site collection) Click Master pages and page layouts and locate the Page Layouts Make a […]