Error communicating with device - Paperwhite

njhow · 04-27-2020, 05:57 PM

Hi
This is my first post and I hope that I can get some help.

I have a Kindle Paperwhite (New Xmas 2019).
Calibre is up to date 4.14
My PC is Windows 10
Connect Paperwhite to PC via a USB hub.

I get message "Error communicating with device "

Screen shot of message

Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 90, in run
File "site-packages\calibre\gui2\device.py", line 543, in _sync_booklists
File "site-packages\calibre\devices\usbms\driver.py", line 459, in sync_booklists
File "site-packages\calibre\devices\usbms\driver.py", line 457, in write_prefix
File "site-packages\calibre\ebooks\metadata\book\json_codec.p y", line 136, in encode_to_file
File "json\__init__.py", line 251, in dumps
File "json\encoder.py", line 210, in encode
MemoryError

I hope that someone can help me.
Thanks

theducks · 04-27-2020, 06:30 PM

The line near the bottom: Memory ERROR

You can try rebooting the device, but it (the storage) may be failing.

kovidgoyal · 04-27-2020, 11:48 PM

uninstall calibre and install the 64 bit version. If that does not fix it, try deleting the metadata.calibre file from the root of the device.

njhow · 04-28-2020, 02:32 PM

Today, there seems to be no trouble. Plugged in and away it went the first time.

So it could be the actual Kindle memory failing. Not even a year old!!

Thanks for the quick replies

04-27-2020, 05:57 PM	#1
njhow Junior Member Posts: 2 Karma: 10 Join Date: Apr 2020 Device: Kindle Paperwhite	Error communicating with device - Paperwhite Hi This is my first post and I hope that I can get some help. I have a Kindle Paperwhite (New Xmas 2019). Calibre is up to date 4.14 My PC is Windows 10 Connect Paperwhite to PC via a USB hub. I get message "Error communicating with device " Screen shot of message Traceback (most recent call last): File "site-packages\calibre\gui2\device.py", line 90, in run File "site-packages\calibre\gui2\device.py", line 543, in _sync_booklists File "site-packages\calibre\devices\usbms\driver.py", line 459, in sync_booklists File "site-packages\calibre\devices\usbms\driver.py", line 457, in write_prefix File "site-packages\calibre\ebooks\metadata\book\json_codec.p y", line 136, in encode_to_file File "json\__init__.py", line 251, in dumps File "json\encoder.py", line 210, in encode MemoryError I hope that someone can help me. Thanks

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04-27-2020, 06:30 PM	#2
theducks Well trained by Cats Posts: 31,341 Karma: 62025226 Join Date: Aug 2009 Location: The Central Coast of California Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A	The line near the bottom: Memory ERROR You can try rebooting the device, but it (the storage) may be failing.

04-27-2020, 11:48 PM	#3
kovidgoyal creator of calibre Posts: 45,676 Karma: 28549304 Join Date: Oct 2006 Location: Mumbai, India Device: Various	uninstall calibre and install the 64 bit version. If that does not fix it, try deleting the metadata.calibre file from the root of the device.

04-28-2020, 02:32 PM	#4
njhow Junior Member Posts: 2 Karma: 10 Join Date: Apr 2020 Device: Kindle Paperwhite	Today, there seems to be no trouble. Plugged in and away it went the first time. So it could be the actual Kindle memory failing. Not even a year old!! Thanks for the quick replies

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