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I want to make a DIN-A0 poster using the documentclass a0poster. Why can't I draw diagrams in that documentclass? The MWE below crashes and I don't know how to fix that. :(



\usepackage{amsfonts, amsmath, amscd, amssymb}


\xymatrix{A & B}


marked as duplicate by David Carlisle, texenthusiast, bodo, karlkoeller, egreg Feb 26 '14 at 16:30

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  • 2
    It is unrelated to the class used. – David Carlisle Feb 26 '14 at 16:26
  • Sorry. I made my minimal working example a little too minimal. :/ My problem is related to the class and therefore my problem is something else. ;) I will investigate it more precisely and eventually post another question. – Meneldur Feb 26 '14 at 16:43

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