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

  SEVERITY:  E

  MESSAGE TEXT:  Invalid use of intrinsic function name as actual
  argument

  EXPLANATION:  A generic name of an intrinsic function was used as
  an actual argument.