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

 Message        An invalid multibyte character was encountered <in
                type of construction>.

 Description    An invalid multibyte character was encountered.  The
                message will provide additional information about the
                location and attempted use of the character.

 User Action    Correct the multibyte character.