> Overfull \hbox (xxxx pt too wide) in paragraph...
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> LaTeX Warning: Float too large for page....
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Pravdepodobne tam mate obrazek ktery se nevejde na stranku.
Pokud pouzivate balicek graphicx, zkuste vlozit obrazek pomoci
\includegraphics[scale=0.5]{muj_obr}
Yenda