I am using Sharepoint 2013 Stand. I have created a subsite and selected a teamsite template. There was OOTB an documents library named "Documents". I went to the document library and click on "Add new document" link. Then I see a popup with this error:
The Ribbon Tab with id: "Ribbon.Read" has not been made available for this page or does not exist. Use Ribbon.MakeTabAvailable().
What is going wrong?
The other way to add a new word document is working: