Comment 8 for bug 1428877

The traceback is in UbiquityDebug.txt:

Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/filteredcommand.py", line 145, in process_line
    return self.dbfilter.process_line()
  File "/usr/lib/ubiquity/ubiquity/debconffilter.py", line 287, in process_line
    if not input_widgets[0].run(priority, question):
  File "/usr/lib/ubiquity/plugins/ubi-partman.py", line 3088, in run
    None, request['method'])
  File "/usr/lib/ubiquity/plugins/ubi-partman.py", line 1738, in preseed_script
    question, menu_options, want_script, want_arg)
  File "/usr/lib/ubiquity/plugins/ubi-partman.py", line 1733, in must_find_one_script
    (question, want_script, want_arg))
ubi-partman.PartmanOptionError: partman-target/choose_method should have None (efi) option