PAC unhandled exception: MCID 1 already present.

New Here ,
Sep 11, 2022 Sep 11, 2022

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I received this pop-up when running a PDF through PAC. I don't know what it means, so I don't know how to fix it. I'm not clear on what an MCID is or how it functions, so I need help understanding the pop-up and also resolving whatever is causing the pop-up. Note that the PDF otherwise passes PAC and Acrobat's Checker.

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Community Expert ,
Sep 11, 2022 Sep 11, 2022

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Is this a PDF that you created by combining multiple PDF files into one? 

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New Here ,
Sep 12, 2022 Sep 12, 2022

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Yes. A client combined it and we couldn't change that.

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New Here ,
Sep 12, 2022 Sep 12, 2022

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Chad: This started as a series of combined Word documents (not PDFs--I reread your post). We converted and added redaction boxes where the client told us to do so. There are a series of 18 of these, ranging from maybe 10 pages to ~100. Only 3 of the 18 have this pop-up, and it's not always "MCID 1." Sometimes it's "MCID 0" or "MCID 2."

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Community Expert ,
Sep 12, 2022 Sep 12, 2022

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This is common when combining files. Are you able to share the file with me?

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New Here ,
Sep 12, 2022 Sep 12, 2022

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Yes. Please find 1 of the 3 problem documents attached. Thanks for your help!

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Community Expert ,
Sep 11, 2022 Sep 11, 2022

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++Adding to the discussion,

 

Which PAC version and operating system are you on?

 

 

It would be helpful if you also share a screenshot of the PDF/UA check after you click on the start button.

 

When you run the PAC console post the screenshot with emphasis on the elements that currently show a yellow warning triangle amd any other element identified with a red X for  partially accessible elements.

 

That said, ca you confirm if one of those warnings is related to the Font type used?

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New Here ,
Sep 12, 2022 Sep 12, 2022

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for post.PNG

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Community Expert ,
Sep 12, 2022 Sep 12, 2022

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Just additional curiosity:

 

What do you get on the WCAG tab?

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New Here ,
Sep 13, 2022 Sep 13, 2022

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Sure, I get a color contrast fail (which I always get for every document, even when we've tested with CCA and the document passes). Other than that, green checks all the way down.

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New Here ,
Sep 12, 2022 Sep 12, 2022

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As I mentioned, this document otherwise passes PAC (2021). There are no errors, only this pop-up. 

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