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

  SEVERITY:  F

  MESSAGE TEXT:  Duplicated keyword in I/O statement

  EXPLANATION:  Each keyword subparameter in an I/O statement or
  auxiliary I/O statement can be specified only once.