Foreign application won't perform DDE method or operation

Error 285

 

An application refused to perform the DDE method or operation you attempted.

Possible causes:

         You supplied data or commands that the other application did not recognize.  Check the application's documentation to see what data or commands it recognizes.

         The LinkItem2NMGNS5 property is not set to an item that the other application recognizes as valid for the topic of the conversation.  Check the application's documentation to see what items it recognizes.