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

  ERROR - A reference to the REAL function contains an invalid data type
  keyword, for example, A = REAL(A, LONG).  Change the invalid data type
  keyword.  The REAL function returns only SINGLE,  DOUBLE,  GFLOAT,  or
  HFLOAT values.