protect input inside caption

Author: knarrff

paper.tex

@@ -479,7 +479,7 @@ \section{Existing Implementations}%
 \begin{figure}
 \centering
 \includegraphics[width=.8\textwidth]{./group_composition_plot/group_composition_plot_the_fantastic_four.pdf}
-\caption{National and international examples of RSE units and their service portfolio: \input{./group_composition_plot/group_composition_plot_the_fantastic_four.labels}\unskip. Heidelberg and Princeton offer development services, whereas Jena and Reading focus mostly on teaching and consultation services.}%
+\caption{National and international examples of RSE units and their service portfolio: \protect\input{./group_composition_plot/group_composition_plot_the_fantastic_four.labels}\unskip. Heidelberg and Princeton offer development services, whereas Jena and Reading focus mostly on teaching and consultation services.}%
 \label{fig:survey}
 \end{figure}