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

  SEVERITY:  F

  MESSAGE TEXT:  Unit specifier keyword missing in I/O statement

  EXPLANATION:  An I/O statement must include a unit specifier
  subparameter.