Library /sys$common/syshlp/basichelp.hlb Compile time errors, MAXPAREXP  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  ERROR - An external SUB or FUNCTION was called  with  more  parameters
  than were specified in the EXTERNAL statement, including both OPTIONAL
  and non-OPTIONAL parameters.  Reduce the number of parameters  in  the
  call.