The job details end this way:
File "site-packages\calibre\ebooks\oeb\transforms\split.py", line 355, in split_to_size
File "site-packages\calibre\ebooks\oeb\transforms\split.py", line 355, in split_to_size
File "site-packages\calibre\ebooks\oeb\transforms\split.py", line 355, in split_to_size
File "site-packages\calibre\ebooks\oeb\transforms\split.py", line 348, in split_to_size
calibre.ebooks.oeb.transforms.split.SplitError: Could not find reasonable point at which to split: feed_6/article_2/links/link2/creating-jobs.xhtml Sub-tree size: 1025 KB
There are many repeated lines including this one...
File "site-packages\calibre\ebooks\oeb\transforms\split.py", line 355, in split_to_size
File "site-packages\calibre\ebooks\oeb\transforms\split.py", line 355, in split_to_size
File "site-packages\calibre\ebooks\oeb\transforms\split.py", line 355, in split_to_size
File "site-packages\calibre\ebooks\oeb\transforms\split.py", line 348, in split_to_size
calibre.ebooks.oeb.transforms.split.SplitError: Could not find reasonable point at which to split: feed_6/article_2/links/link2/creating-jobs.xhtml Sub-tree size: 1025 KB
There are many repeated lines including this one...