VMS Help FORTRAN, Error Messages, Compilation Errors, INVINTFUN  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  SEVERITY:  E

  MESSAGE TEXT:  Name used in INTRINSIC statement is not an intrinsic
  function

  EXPLANATION:  A function name which appeared in the INTRINSIC
  statement was not an intrinsic function.