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

  ERROR - The program contains  an  invalid  declaration,  for  example,
  DECLARE  RFA  CONSTANT.   Remove  the  invalid  data type.  You cannot
  declare constants of the RFA data type.