Title: HTML errors when creating a Docx file
Last modified: May 9, 2025
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# HTML errors when creating a Docx file
* [steheap](https://wordpress.org/support/users/steheap/)
* (@steheap)
* [1 year ago](https://wordpress.org/support/topic/html-errors-when-creating-a-docx-file/)
* I’m trying to get to grips with the plugin before buying the premium version.
I’m trying to create an eBook or perhaps a PDF from about 8 different wordpress
posts which use links in each post to move to the next post. Ideally I wanted
the eBook to be able to similarly link to the relevant post, and I thought that
if I created a Word file I could edit the links in the Word document and then
create the eBook and PDF. The first time I used the Word export, it failed with
errors about the size of the title, which I pasted below. Before I get much further,
is this an error that the title of the post is too long? How long can it be?
* 413 Request Entity Too Large
* The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fhtml-errors-when-creating-a-docx-file%2F%3Foutput_format%3Dmd&locale=en_US)
to see the link]_
Viewing 1 replies (of 1 total)
* Plugin Author [ferranfg](https://wordpress.org/support/users/ferranfg/)
* (@ferranfg)
* [1 year ago](https://wordpress.org/support/topic/html-errors-when-creating-a-docx-file/#post-18459393)
* Hi [@steheap](https://wordpress.org/support/users/steheap/),
* From my experience, EPUB is the best output format. It’s easy to edit after generation,
and tools like [EPUB Checker](https://github.com/paginagmbh/EPUB-Checker) and
Calibre work well alongside my plugin once the file is created. In contrast,
Word format is much more complex, which makes it harder for the plugin to generate
a valid file.
* If I’m not mistaken, the error message you’re seeing comes from the content validation
service. You’re likely using the **“Embed Images**” option under the **“Design”**
tab, which can result in a file that’s too large for the third-party validator
to handle. To resolve this, you can either disable the **“Validate content before
download**” checkbox or adjust the **“Content Images**” settings for a different
option.
* Best regards,
Viewing 1 replies (of 1 total)
The topic ‘HTML errors when creating a Docx file’ is closed to new replies.
* 
* [MPL-Publisher — Ebook & Audiobook Creator](https://wordpress.org/plugins/mpl-publisher/)
* [Frequently Asked Questions](https://wordpress.org/plugins/mpl-publisher/#faq)
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* [Unresolved Topics](https://wordpress.org/support/plugin/mpl-publisher/unresolved/)
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* 1 reply
* 2 participants
* Last reply from: [ferranfg](https://wordpress.org/support/users/ferranfg/)
* Last activity: [1 year ago](https://wordpress.org/support/topic/html-errors-when-creating-a-docx-file/#post-18459393)
* Status: not resolved