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Old 04-25-2011, 07:32 PM   #1
fyoung
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Conversion error MOBI to EPUB

I have been trying to convert a book to epub but keep getting this error....

calibre.ebooks.oeb.transforms.split.SplitError: Could not find reasonable point at which to split: Obama_s_Wars.html Sub-tree size: 571 KB

What does this mean and how can I work around it?
I have go into prefrences and under output increased the split files larger than .... I have increased this to 600 KB
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Old 04-26-2011, 06:05 AM   #2
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That means that Calibre can't find a point at which to perform the split into smaller files. It tries to do this at "natural" split points like chapter breaks and such, as far as I know.
Increasing that size may horribly break stuff on readers especially with ADE, like the Sony and Bookeen devices- they are not designed to load chunks larger than 260 kB into memory, so most often, they just hang. You may have to reset that setting to its standard.

As for how to solve that problem, I'm not sure. Does the conversion fail entirely or is this just printed as an error, but an ePub is produced anyway?
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Old 04-26-2011, 07:46 AM   #3
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I previously was able to correct this following these instructions.
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Old 04-26-2011, 11:56 AM   #4
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Quote:
Originally Posted by fyoung View Post
I have been trying to convert a book to epub but keep getting this error....

calibre.ebooks.oeb.transforms.split.SplitError: Could not find reasonable point at which to split: Obama_s_Wars.html Sub-tree size: 571 KB

What does this mean and how can I work around it?
I have go into prefrences and under output increased the split files larger than .... I have increased this to 600 KB
I had a few that I did that (size increase) to do the initial conversion.

Now restore the setting to 260K
And Convert EPUB to EPUB. for some reason, It can Now find a place to (re) split
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