I/O error with 3.44 and KA1

I updated to Calibre 3.44 and now when trying to communicate with my Kobo Aura One (Version 4.14.12777) this error occurs...

[quote]
calibre, version 3.44.0
ERROR: Error: Error communicating with device

IOError: disk I/O error

Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 89, in run
File "site-packages\calibre\gui2\device.py", line 512, in _books
File "site-packages\calibre\devices\kobo\driver.py", line 1910, in books
File "c:\t\t\apsw-zu_bhl\apsw-3.27.2-r1\src\cursor.c", line 236, in resetcursor
IOError: IOError: disk I/O error
[/quote[

What needs to be done?

Thanks.