Hi Wendy, Are you using the Oxygen plugin for Eclipse? If so, Oxygen does not control the way the eclipse file system and workspace are managed. Oxygen is just the editor called when you double click an XML-related file. Can you open the Eclipse Error log and look for the reported problem? If you find it, can you send us the detailed stack trace? About the compatibility: The options used in an older version of Oxygen should be migrated when the user installs a newer version. But there are times when some options become incompatible and are reset in a newer version. So the answer is: mostly yes. Regards, Radu -- Radu Coravu <oXygen/> XML Editor, Schema Editor and XSLT Editor/Debugger http://www.oxygenxml.com On 5/24/2010 5:31 PM, Loreti, Wendy wrote:

I'm getting this problem when I try to open my workspace. "Tree element '/hardware_help/hardware.ditamap' not found." The file is clearly there and completely healthy and valid. What might this mean otherwise? As a secondary question, how compatible are Oxygen versions with each other? *Wendy Loreti* Senior Technical Writer Vocollect, Inc. 703 Rodi Rd. Pittsburgh, PA 15235 www.vocollect.com <http://www.vocollect.com/> _CONFIDENTIALITY NOTICE _

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