The following was filed automatically by anaconda:
anaconda 11.5.0.25 exception report
Traceback (most recent call first):
  File "/usr/lib/anaconda/storage/devicelibs/crypto.py", line 65, in luks_format
    rc = cs.luksFormat(device = device, cipher = cipher, keysize = key_size, keyfile = key_file)
  File "/usr/lib/anaconda/storage/formats/luks.py", line 143, in create
    key_size=self.key_size)
  File "/usr/lib/anaconda/storage/deviceaction.py", line 267, in execute
    options=self.device.formatArgs)
  File "/usr/lib/anaconda/storage/devicetree.py", line 427, in processActions
    action.execute(intf=self.intf)
  File "/usr/lib/anaconda/storage/__init__.py", line 181, in doIt
    self.devicetree.processActions()
  File "/usr/lib/anaconda/packages.py", line 114, in turnOnFilesystems
    anaconda.id.storage.doIt()
  File "/usr/lib/anaconda/dispatch.py", line 205, in moveStep
    rc = stepFunc(self.anaconda)
  File "/usr/lib/anaconda/dispatch.py", line 128, in gotoNext
    self.moveStep()
  File "/usr/lib/anaconda/gui.py", line 1317, in nextClicked
    self.anaconda.dispatch.gotoNext()
TypeError: argument 2 must be string, not None