General ⇒ Error that I can't figure out

[rottnTM]

Hi LaTeX Community. This is my first post so let me know if there is any information I can add to this to make it better. I have made a poster using beamer that has the error "Missing number treating as zero" occurring 5 times.

I have been able to isolate sort of where the problem is coming from. If I remove the \begin{block} and \end{block} from my code, the errors disappear. If I remove anything inside the block, the error still remains. I have added the code of one of the blocks, plus the preamble, to see if any of you all know how to fix this. Also, there are other style files that are required to run this, but I don't know if it is useful to link those or not.

Code: Select all

Code, edit and compile here:

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\documentclass[final]{beamer}
\usepackage[scale=1.24]{beamerposter} % Use the beamerposter package for laying out the poster
\usetheme{confposter} % Use the confposter theme supplied with this template
%----------------------------------------------------------------------------------------
%   SET COLORS - to define more colors see beamerthemeconf.sty, wpurple is Williams purple, wgold is Williams gold
%----------------------------------------------------------------------------------------
\setbeamercolor{block title}{fg=wpurple,bg=white} % block titles
\setbeamercolor{block body}{fg=black,bg=white} % body of blocks
\setbeamercolor{block alerted title}{fg=wgold,bg=wpurple!90} % highlighted block titles
\setbeamercolor{block alerted body}{fg=black,bg=wpurple!10} % body of highlighted blocks
%-----------------------------------------------------------
\newlength{\sepwid}
\newlength{\onecolwid}
\newlength{\twocolwid}
\newlength{\threecolwid}
\setlength{\paperwidth}{48in} % A0 width: 46.8in
\setlength{\paperheight}{36in} % A0 height: 33.1in
\setlength{\sepwid}{0.024\paperwidth} % Separation width (white space) between columns
\setlength{\onecolwid}{0.22\paperwidth} % Width of one column
\setlength{\twocolwid}{0.464\paperwidth} % Width of two columns
\setlength{\threecolwid}{0.708\paperwidth} % Width of three columns
\setlength{\topmargin}{-0.5in} % Reduce the top margin size
%-----------------------------------------------------------
\usepackage{graphicx} 
\usepackage{booktabs} 
\begin{document}
\addtobeamertemplate{block end}{}{\vspace*{ex}} % White space under blocks
\addtobeamertemplate{block alerted end}{}{\vspace*{2ex}} % White space under highlighted (alert) blocks
\setlength{\belowcaptionskip}{2ex}
\setlength\belowdisplayshortskip{2ex} 
 
 
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[Ijon Tichy]

I cannot test it, because the theme is not a standard theme and therefore unknown. However

\addtobeamertemplate{block end}{}{\vspace*{ex}} % White space under blocks

is wrong, because ex without number is not a valid length. This should be something like
\addtobeamertemplate{block end}{}{\vspace*{2ex}} % White space under blocks

And please read the BBCode help to find out how to format block code.

[rottnTM]

My goodness thats it thank you so much