KeyError: 56

[Václav Haisman]

Last run of Deja-dup has ended up with the following error:

Traceback (innermost last):
  File "/usr/bin/duplicity", line 1559, in <module>
    with_tempdir(main)
  File "/usr/bin/duplicity", line 1545, in with_tempdir
    fn()
  File "/usr/bin/duplicity", line 1394, in main
    do_backup(action)
  File "/usr/bin/duplicity", line 1473, in do_backup
    restore(col_stats)
  File "/usr/bin/duplicity", line 729, in restore
    restore_get_patched_rop_iter(col_stats)):
  File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 558, in Write_ROPaths
    for ropath in rop_iter:
  File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 521, in integrate_patch_iters
    for patch_seq in collated:
  File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 389, in yield_tuples
    setrorps(overflow, elems)
  File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 378, in setrorps
    elems[i] = iter_list[i].next()
  File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 107, in filter_path_iter
    for path in path_iter:
  File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 121, in difftar2path_iter
    tarinfo_list = [tar_iter.next()]
  File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 339, in next
    self.set_tarfile()
  File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 333, in set_tarfile
    self.current_fp = self.fileobj_iter.next()
  File "/usr/bin/duplicity", line 765, in get_fileobj_iter
    backup_set.volume_name_dict[vol_num],
 KeyError: 56

This is with 0.7.14+bzr1336-0ubuntu3~ubuntu17.10.1.