I am converting my thesis in pdf to pdf/a. I wrote my thesis in latex. However, I met problems after I used adobe to convert it into pdf/a file. The message is like this: enter image description here

Could anybody help me fix this? Thanks a lot!:)

  • As PDF/A becomes a requirement in more institutions, the kind of problem faced by the author will also be faced by more and more (La)TeX users. Although Acrobat Pro & its Preflight utility are not TeX-based tools, they will increasingly be needed with PDFs that we produce. We need to become aware of the issues, and some of us may be able to give good answers—either in the way the LaTeX source is prepared, or in how best to use Preflight afterwards. Certainly I recently faced such issues. So I'm suggesting that this item be re-opened.
    – Ross Moore
    Commented Jun 6, 2016 at 5:06


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