000875 : <value>: <value>'s workspace is an invalid output workspace.
Description
The specified catalog path for the output does not exist, or you may not have permissions to write.
Solution
Ensure the output directory exists and is specified correctly. Make sure you have write permission to the output workspace. In ArcObjects, different types of workspaces are specified by the esriWorkspaceType enumerator.
3/4/2014