VMS Help FORTRAN, Error Messages, Run Time Errors, General, INCKEYCHG  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  NUMBER:  50

  ERROR CODE:  F

  MESSAGE TEXT:  inconsistent key change or duplicate key

  EXPLANATION:  A WRITE or REWRITE to an indexed organization file
  caused a key field to change or be duplicated.  This condition was
  not allowed by the attributes of the file, as established when the
  file was created.