Thread: EPUB3 Validation Error - Assertion failed: package dcterms:modified meta element mu
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Old 02-13-2019, 04:51 PM   #5
ilovejedd
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Quote:
Originally Posted by grahamnaismith View Post
[ERROR]content.opf: 3,152: assertion failed: package dcterms:modified meta element must occur exactly once

Getting this on IngramSpark and similar on http://validator.idpf.org and https://www.ebookit.com/tools/bp/Bo/...epub-validator

Line 3 is

<package xmlns="http://www.idpf.org/2007/opf" unique-identifier="uuid_id" version="3.0">
<metadata xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlnspf="http://www.idpf.org/2007/opf" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
Shouldn't you be looking at line 3152 and not line 3? Or is that line,column?
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