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

  NUMBER:  34

  ERROR CODE:  F

  MESSAGE TEXT:  unit already open

  EXPLANATION:  A DEFINE FILE statement specified a logical unit that
  was already opened.