Hi, Sir,
I failed to fetch the economist, and the error message as below.

File "calibre\utils\ipc\worker.py", line 215, in main
File "calibre\gui2\convert\gui_conversion.py", line 31, in gui_convert_recipe
File "calibre\gui2\convert\gui_conversion.py", line 25, in gui_convert
File "calibre\ebooks\conversion\plumber.py", line 1281, in run
File "calibre\ebooks\conversion\plugins\epub_output.py" , line 206, in convert
File "calibre\ebooks\oeb\transforms\split.py", line 65, in __call__
File "calibre\ebooks\oeb\transforms\split.py", line 74, in split_item
File "calibre\ebooks\oeb\transforms\split.py", line 223, in __init__
File "calibre\ebooks\oeb\transforms\split.py", line 371, in split_to_size
File "calibre\ebooks\oeb\transforms\split.py", line 371, in split_to_size
File "calibre\ebooks\oeb\transforms\split.py", line 371, in split_to_size
[Previous line repeated 1 more time]
File "calibre\ebooks\oeb\transforms\split.py", line 356, in split_to_size
File "calibre\ebooks\oeb\transforms\split.py", line 356, in split_to_size
File "calibre\ebooks\oeb\transforms\split.py", line 356, in split_to_size
[Previous line repeated 2 more times]
File "calibre\ebooks\oeb\transforms\split.py", line 371, in split_to_size
File "calibre\ebooks\oeb\transforms\split.py", line 356, in split_to_size
File "calibre\ebooks\oeb\transforms\split.py", line 356, in split_to_size
File "calibre\ebooks\oeb\transforms\split.py", line 356, in split_to_size
[Previous line repeated 4 more times]
File "calibre\ebooks\oeb\transforms\split.py", line 349, in split_to_size
calibre.ebooks.oeb.transforms.split.SplitError: Could not find reasonable point at which to split: feed_11/article_4/index_u9.html Sub-tree size: 781 KB
I had turned on heuristic processing and increase the epub output volume from 260k to 10000k, but I still failed to fetch the magzine.
Please kindly help me,
thanks in advance.