Comment 2 for bug 912031

Thanks for your report.

Error from the logs:
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Jan 4 22:51:36 ubuntu ntfsresize: Filesystem check failed! Totally 6 cluster accounting mismatches.
Jan 4 22:51:36 ubuntu ntfsresize: ERROR: NTFS is inconsistent. Run chkdsk /f on Windows then reboot it TWICE!
Jan 4 22:51:36 ubuntu ntfsresize: The usage of the /f parameter is very IMPORTANT! No modification was
Jan 4 22:51:36 ubuntu ntfsresize: and will be made to NTFS by this software until it gets repaired.
Jan 4 22:51:36 ubuntu partman: Error running 'ntfsresize --info'
Jan 4 22:51:36 ubuntu ubiquity[3174]: Exception in GTK frontend (invoking crash handler):
Jan 4 22:51:36 ubuntu ubiquity[3174]: Traceback (most recent call last):
Jan 4 22:51:36 ubuntu ubiquity[3174]: File "/usr/lib/ubiquity/plugins/ubi-partman.py", line 593, in partman_column_name
Jan 4 22:51:36 ubuntu ubiquity[3174]: if 'id' not in partition:
Jan 4 22:51:36 ubuntu ubiquity[3174]: TypeError: argument of type 'NoneType' is not iterable
Jan 4 22:51:36 ubuntu ubiquity[3174]:
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I'm setting to confirmed because it is also reported in bug 912563
In both cases the error follows an ntfsresize error.