/sys$common/syshlp/helplib.hlb FORTRAN, Error Messages, Compilation Errors, INVCONST  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  SEVERITY:  E

  MESSAGE TEXT:  Arithmetic error while evaluating constant or
  constant expression

  EXPLANATION:  The specified value of a constant was too large or
  too small to be represented.