VMS Help CC, Messages, PREOPTE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 Message        An error was detected in the processing of a <option
                spelling> option:  <#define or #undefine problem>

 Description    An error was encountered during the processing of a
                macro definition specified on the command line.  The
                message should provide additional information about
                the error.

 User Action    Correct the command line argument.