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

  NUMBER:  32

  ERROR CODE:  F

  MESSAGE TEXT:  invalid logical unit number

  EXPLANATION:  A logical unit number greater than 119 or less than
  zero was used in an I/O statement.