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Old 07-05-2012, 08:57 AM   #1
kalpesh.spaceo@
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Post please give me the solution of this error
Type File Line Position Message
ERROR OPS/content.opf -1 -1 assertion failed: The "id" attribute does not have a unique value
ERROR OPS/content.opf -1 -1 assertion failed: The "id" attribute does not have a unique value
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Old 07-05-2012, 09:08 AM   #2
Rob Lister
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Quote:
Originally Posted by kalpesh.spaceo@ View Post
Type File Line Position Message
ERROR OPS/content.opf -1 -1 assertion failed: The "id" attribute does not have a unique value
ERROR OPS/content.opf -1 -1 assertion failed: The "id" attribute does not have a unique value
You're in the wrong forum so expect to be moved. Where did you get this error? Under what circumstances?

You're really not giving enough information but generally what I see is a malformed epub.

content.opf is a file inside an epub archive.
in it, there are entries such as ...
<item href="Text/chapter01.xhtml" id="c01" media-type="application/xhtml+xml" />

for any given type, each id must exist and be unique.

this is just speculation on my part. I can't garner enough from the error message to be more specific.
Last edited by Rob Lister; 07-05-2012 at 09:21 AM.
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Old 07-05-2012, 09:18 AM   #3
DiapDealer
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Search the OPF for duplicate "id" attributes. Make them "not duplicates."
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Old 07-05-2012, 09:25 AM   #4
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Quote:
Originally Posted by DiapDealer View Post
Search the OPF for duplicate "id" attributes. Make them "not duplicates."
LOL. Where he to take you literally, he'd still get the error.

<item href="Text/chapter01.xhtml" id="not duplicates" media-type="application/xhtml+xml" />
<item href="Text/chapter01.xhtml" id="not duplicates" media-type="application/xhtml+xml" />
<item href="Text/chapter01.xhtml" id="not duplicates" media-type="application/xhtml+xml" />
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Old 07-05-2012, 09:32 AM   #5
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Oops! You're right.

I retract the quotation marks:

Search the OPF for duplicate "id" attributes. Make them not duplicates.
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