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The problem comes along with \caption[]{}. Including the subfig-packages and a missing first parameter in the caption command won't work! why ever?
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[1] works

\documentclass ...

Hey guys,
i didn't find a solution in ohter fora and wonder if you get the same error?
i hope the tikz line doesn't prevent the code to be treated as a mwe

Hey,
i use \fbox{} inside a \caption{} and without \usepackage{subfig} everything works just fine. since i want to use subfigures i get an error:
! Argument of \@tempa has an extra } \caption{test \fbox{test}}

any suggestions? minimal working example:
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\documentclass ...