I have got an interesting issue with Document Set content type in SharePoint 2010. Document Set content type. Below are the actions I have taken: 1. Activated Document Sets feature on the Site Collection level 2. Created a Document Library 3. Set Allow management of content types to "Yes" 4. Added Document Set to that Document Library from existing content types 5. When I try to create new document with the content type Document Set I'm getting the following error: "One or more field types are not installed properly. Go to the list settings page to delete these fields". I have posted a question on SharePoint Developer Center to resolve that: Document Set content type issue UPD: There was a Beta version bug. I published a new post about Document Sets recently to start illustrating how it works. It's here: Document Sets - SharePoint 2010 - Part 1
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