# sudo -u apache moin --config-dir=/srv/web/wiki/ --wiki-url="proxy10.fedoraproject.org/wiki/" migration data
Traceback (most recent call last):
  File "/usr/bin/moin", line 6, in ?
    run()
  File "/usr/lib/python2.4/site-packages/MoinMoin/script/moin.py", line 15, in run
    MoinScript().run(showtime=0)
  File "/usr/lib/python2.4/site-packages/MoinMoin/script/__init__.py", line 138, in run
    self.mainloop()
  File "/usr/lib/python2.4/site-packages/MoinMoin/script/__init__.py", line 251, in mainloop
    plugin_class(args[2:], self.options).run() # all starts again there
  File "/usr/lib/python2.4/site-packages/MoinMoin/script/__init__.py", line 138, in run
    self.mainloop()
  File "/usr/lib/python2.4/site-packages/MoinMoin/script/migration/data.py", line 44, in mainloop
    curr_rev = meta['data_format_revision']
  File "/usr/lib/python2.4/site-packages/MoinMoin/wikiutil.py", line 472, in __getitem__
    return dict.__getitem__(self, key)
KeyError: 'data_format_revision'
[root@publictest10 moin-1.6.1]# sudo -u apache moin --config-dir=/srv/web/wiki/ --wiki-url="proxy10.fedoraproject.org/wiki/" migration data
Traceback (most recent call last):
  File "/usr/bin/moin", line 6, in ?
    run()
  File "/usr/lib/python2.4/site-packages/MoinMoin/script/moin.py", line 15, in run
    MoinScript().run(showtime=0)
  File "/usr/lib/python2.4/site-packages/MoinMoin/script/__init__.py", line 138, in run
    self.mainloop()
  File "/usr/lib/python2.4/site-packages/MoinMoin/script/__init__.py", line 251, in mainloop
    plugin_class(args[2:], self.options).run() # all starts again there
  File "/usr/lib/python2.4/site-packages/MoinMoin/script/__init__.py", line 138, in run
    self.mainloop()
  File "/usr/lib/python2.4/site-packages/MoinMoin/script/migration/data.py", line 44, in mainloop
    curr_rev = meta['data_format_revision']
  File "/usr/lib/python2.4/site-packages/MoinMoin/wikiutil.py", line 472, in __getitem__
    return dict.__getitem__(self, key)
KeyError: 'data_format_revision'