name is not a ws

This report is given when the name specified as the parameter of the system commands )LOAD, )COPY or )PCOPY is a reference to an existing file or directory that is not identified as a workspace.

This will also occur if an attempt is made to )LOAD a workspace that was )SAVE’d using a later version of Dyalog APL.

Example

      )LOAD EXT\ARRAY
EXT\ARRAY is not a ws