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With the following code, I get TWO errors on the line \begin{abstract}, one saying "Misplaced alignment tab character &" which doesn't make sense because I'm not citing anything, so no & is misplaced in my citations and Package hyperref Warning: Token not allowed in a PDF string (PDFDocencoding): remove \unskip on input line 61 - which is the \begin{abstract} line I understand perhaps \texorpdfstring would be a solution here, but I'm unclear how to input that exactly into this type of "bookmark"

    \documentclass[runningheads]{llncs}
\fontfamily{ptm}\selectfont
\usepackage{hyperref}
\hypersetup{
    linktocpage,
    colorlinks=true,
    linkcolor=blue,
    citecolor= red,
    filecolor=red,      
    urlcolor=cyan}
\usepackage{graphicx}
\graphicspath{{figures/}}
\usepackage{array}
\usepackage{longtable} 
\usepackage{makecell}
\usepackage{cite}
\usepackage[utf8x]{inputenc} 
\usepackage[english]{babel}
\renewcommand\theadalign{bc}
\renewcommand\theadfont{\bfseries}
\renewcommand\theadgape{\Gape[4pt]}
\renewcommand\cellgape{\Gape[4pt]}
\usepackage{geometry}
\geometry{letterpaper, portrait, margin=1in}

\begin{document}

\title{The Ethics of Software: A Systematic Mapping Study of Ethical Concerns 
in Software Engineering
\thanks{Supported by my school.}}

\titlerunning{The Ethics of Software: A Mapping Study \& Focus Group}

\author{My name\inst{1}\orcidID{2643038}}

\authorrunning{my name}

\institute{my school
\email{my email}}
\maketitle
\begin{abstract}
\end{abstract}
  \end{document}
Kdiddledoo
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    The warning about & could be because you use & in the \titlerunning command, change that to \& to see if it makes any difference. – Marijn Jun 09 '20 at 09:19
  • that did fix the warning of the & symbol! thanks for that. However, I still have the Package hyperref Warning: Token not allowed in a PDF string (PDFDocencoding): remove \unskip on input line 61 issue – Kdiddledoo Jun 09 '20 at 09:31
  • After I fix the MWE (properly close the \title command with } and replace & with \&) I don't get any errors or warnings. Could you verify that the hyperref warning indeed occurs on this example code? If not, then you have some other code in your real document that triggers the warning. – Marijn Jun 09 '20 at 09:38
  • I have adjusted the MWE to include more to provide a better MWE – Kdiddledoo Jun 09 '20 at 09:46
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    The issue is the \thanks command in the title, which contains a lot of LaTeX code that cannot be converted to pdf metadata. Use \title{\texorpdfstring{full title\thanks{Supported by my school.}}{full title}} (so first the part that will actually be in the document, including the \thanks, and then the part intended for the pdf metadata). – Marijn Jun 09 '20 at 10:03
  • Let's close this question as a duplicate of the general Token not allowed in a PDF string question. – Marijn Jun 09 '20 at 10:07
  • The issue was resolved by editing the \thanks title- but I think it is a specific nuance to that Token not allowed question that deserves its own question – Kdiddledoo Jun 09 '20 at 12:58

0 Answers0