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

 Message        The size of return value of "<name>" exceeds the
                maximum size of an object allowed on this platform
                which is <size> bytes.

 Description    A function's return value is too large for this
                platform.

 User Action    Reduce the size of the return value.