Hello. I'm exporting a children's book with audio assets (.wav files) to ePub3. When I export, I'm getting this type of error message for each page that has an audio file:

2 Page Zoo Fallback must be provided for foreign resources, but found none for resource "OEBPS/assets/audio/ElephantTrumpet.wav" of type "audio/x-wav".
OEBPS/assets/33/page.xhtml, line 168, column 98 <audio id="obj2559" class="SCPageObject SCView SCSound" src="../audio/ElephantTrumpet.wav" >

The file still exports if I press "Continue Anyway."

I have two questions:

1. Will these issues cause trouble later when the book gets uploaded to a location for sale?
2. How can I get access to the code in order to fix them? I've tried the code button, but don't know how to get to this piece of code in order to change it.

Thank you for your help,
Melissa

Angelo S please just try to use MP3 audio files instead of WAV.

Thank you for your help. I switched from .wav to .mp3 files and the error messages went away.

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