Articles listing known issues opening files on reading devices.

• FBReader - Authentication scheme "" is not supported
• Apple / iOS - “The operation couldn’t be completed. (BKAgentServiceErrorDomain error 8.)” error
• NOOK - "User not activated" error
• Kobo - "Content locked" error
• NOOK - "Sorry, cannot open this book" error
• Sony Readers - "Page Error" errors
• Sony Readers - "Protected Page" errors