/sys$common/syshlp/helplib.hlb CC, Messages, INCLUDEOPEN  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 Message        An error occurred while attempting to open the
                include file <name>:  <problem>.

 Description    An unexpected error occurred during the opening of an
                include file.  The message text will contain
                additional information about the failure.

 User Action    Correct the condition that caused the failure.