Key Error "Ondevice"

antistar · 09-07-2010, 02:52 AM

Could someone please help me with this problem?
I encountered this ondevice error after I installed the latest version of calibre. The program ran fine initially, but crashed every time when I tried to open it again. I removed the program, deleted the folder, and tried to switch back to 0.6.47 (installed in another folder) but now this version crashes too. 0.6.47 was not installed when I installed 0.7.17, and the program never crashed before.
I had dr800sg connected when I first ran 0.7.17 and it worked fine. Later the program crashed whether or not the device is on.

ERROR: 錯誤：未處理的例外: <b>KeyError</b>:'ondevice'

Traceback (most recent call last):
File "site-packages\calibre\gui2\library.py", line 642, in headerData
KeyError: 'ondevice'

chaley · 09-07-2010, 06:11 AM

Delete your preferences directory.

Alternatively, and if I remember correctly, you can delete the 'columns' line found in the preferences file gui.py. It will have the word 'ondevice' in the line somewhere.

antistar · 09-07-2010, 07:59 AM

Thank you chaley, that solves the problem.
For those who encountered the same problem as I did, I deleted the folder under the following path and reinstalled the program.

C:\Users\Your Name\AppData\Roaming\calibre

09-07-2010, 02:52 AM	#1
antistar Connoisseur Posts: 84 Karma: 32758 Join Date: Aug 2007 Location: Taiwan Device: PRS-500, dr800sg, prs-950, MS SP3, Boox i86ML, Sony Z3TC, KV, Sony RP1	Key Error "Ondevice" Could someone please help me with this problem? I encountered this ondevice error after I installed the latest version of calibre. The program ran fine initially, but crashed every time when I tried to open it again. I removed the program, deleted the folder, and tried to switch back to 0.6.47 (installed in another folder) but now this version crashes too. 0.6.47 was not installed when I installed 0.7.17, and the program never crashed before. I had dr800sg connected when I first ran 0.7.17 and it worked fine. Later the program crashed whether or not the device is on. ERROR: 錯誤：未處理的例外: <b>KeyError</b>:'ondevice' Traceback (most recent call last): File "site-packages\calibre\gui2\library.py", line 642, in headerData KeyError: 'ondevice'

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09-07-2010, 06:11 AM	#2
chaley Grand Sorcerer Posts: 11,742 Karma: 6997045 Join Date: Jan 2010 Location: Notts, England Device: Kobo Libra 2	Delete your preferences directory. Alternatively, and if I remember correctly, you can delete the 'columns' line found in the preferences file gui.py. It will have the word 'ondevice' in the line somewhere.

09-07-2010, 07:59 AM	#3
antistar Connoisseur Posts: 84 Karma: 32758 Join Date: Aug 2007 Location: Taiwan Device: PRS-500, dr800sg, prs-950, MS SP3, Boox i86ML, Sony Z3TC, KV, Sony RP1	Thank you chaley, that solves the problem. For those who encountered the same problem as I did, I deleted the folder under the following path and reinstalled the program. C:\Users\Your Name\AppData\Roaming\calibre

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