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

 Message        "<directive>" directive is not followed by an
                identifier and is being ignored.

 Description    A #define or #undef preprocessing directive was not
                followed by an identifier.  The first argument to
                these directives must be an identifier that specifies
                the macro to define or undefine.  The compiler will
                ignore the directive.

 User Action    Correct the argument to the preprocessing directive.