It's the same error. I'm pretty sure a DRM'd file would have errored out before that. Enabling debug output as I mentioned before would be the simplest solution to the problem if you really want 'this' version of the ebook, but some hand editing of the html will be required, perhaps to split it into multiple novels.
All of Dicken's novels are in the public domain, and accessible from many locations. Frankly that would probably be easier.
Here is the mobileread library index where the Dickens titles start:
https://www.mobileread.com/forums/ebo...mid=130&page=5