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

  NUMBER:  56

  ERROR CODE:  F

  MESSAGE TEXT:  UNLOCK error

  EXPLANATION:  RMS detected an error condition during execution of
  an UNLOCK statement.