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Old 03-26-2026, 08:23 AM   #1
repilo
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Posts: 99
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Join Date: Apr 2021
Location: Spain
Device: Kobo Libra 2
Multiple "Duplicate file paths" warnings in OPF manifest - Is my EPUB corrupted?

Hi everyone,

I’m working with an EPUB I edited a few years ago using an older version of Sigil. I’m not sure if the version difference is the cause, but upon opening it today, I’m being flooded with a series of pop-up windows stating:

Quote:
Warning: The OPF manifest contains duplicate file paths for OEBPS/Images/00084.jpg - You should edit your OPF file's manifest to remove the duplication.
As soon as I close one window, another one pops up, and then another...
  • I’m worried that the EPUB might be corrupted. This file represents a lot of work, especially regarding the numerous JPEGs I included.
  • I am certain this didn't happen when I finished and archived the book; I definitely would have noticed these warnings back then.

What should I do to fix this? Is there a risk that I’ve lost some of the content or images?

Thanks in advance for your help!

By the way, if I may make a suggestion: would you consider adding a "Close All" button for these pop-up cascades? Some EPUBs have a lot of JPEGs, and clicking through every single warning can be quite tedious.
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