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kovidgoyal · 12-24-2009, 11:33 AM

Yeah do a full clean. Basically a few version back there was a change to the database schema which meant that if you upgraded to a version newer than that and then went back to a version older than that, you would see this error.

12-24-2009, 11:33 AM	#6
kovidgoyal Creator of calibre Posts: 22,660 Karma: 3473290 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Yeah do a full clean. Basically a few version back there was a change to the database schema which meant that if you upgraded to a version newer than that and then went back to a version older than that, you would see this error. __________________ Get calibre Notice to all: I can not provide assistance with DRM removal, for legal reasons, so please do not contact me about it.