[pacobar]

When i try to connect from my ipad
I see a message saying

error en la comunicación con el dispositivo

and on see details


calibre, version 1.48.0
ERROR: Error: Error en la comunicación con el dispositivo

[Errno 2] No such file or directory: u'C:\\Users\\FBARBA~1\\AppData\\Local\\Temp\\calib re_8j7xc5\\b13k8x_ios_local_db\\mainDb.sqlite'

Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 86, in run
File "site-packages\calibre\gui2\device.py", line 490, in _books
File "C:\Users\FBARBA~1\AppData\Local\Temp\calibre_8j7x c5\b13k8x_ios_local_db\Marvin_overlays.py", line 276, in books
File "C:\Users\FBARBA~1\AppData\Local\Temp\calibre_8j7x c5\b13k8x_ios_local_db\Marvin_overlays.py", line 2050, in _localize_database_path
IOError: [Errno 2] No such file or directory: u'C:\\Users\\FBARBA~1\\AppData\\Local\\Temp\\calib re_8j7xc5\\b13k8x_ios_local_db\\mainDb.sqlite'


What can i do?
Thanks in advance