pgfplot gives me dimension too large and wont compile

Question

I am trying to plot my second plot in my thesis, and while the first one work (which is almost identical to the one I'm doing now) it won't work. Here's my code:

\begin{figure}[h]
\caption{something}
\label{blabla}
\begin{center}
\begin{tikzpicture}
\begin{axis}[width=12cm,height=6cm,
ylabel={Ugearet $\beta$},
xmin=2005, xmax=2016,
ymin=0.0, ymax=2.0,
xtick={2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016},
ytick={0.0,0.25,0.50,0.75,1.0,1.25,1.50,1.75},
xticklabel style={/pgf/number format/1000 sep=,rotate=60,anchor=east,font=\normalsize},
legend pos=north east,
ymajorgrids=true,
grid style=dashed,
] 

\addplot 
\draw [ultra thick, dotted, draw=red] 
    (axis cs: 2016,1.14) -- (axis cs: 2016,1.14)
    node[pos=0.5, above] {$y=12$};
\addplot[
color=blue,
mark=pentagon*,
]
coordinates {(2006,1.88)
(2007,0.76)
(2008,0.95)
(2009,0.75)
(2010,0.90)
(2011,0.80)
(2012,0.92)
(2013,0.74)
(2014,1.28)
(2015,1.36)
(2016,1.28)

};
\addlegendentry{Dansk bioteknologisk industri beta}    

\end{axis}
\end{tikzpicture}
\centering Kilde: 
\end{center}
\end{figure}

All I'm trying to do is to plot a horizontal line, with the average "beta" of 1.14. I did this in my previous plot (earlier in my thesis) but it won't let me do it now..

Any help is greatly appreciated!

Answer 1

You have two errors here. First, to draw your line you should simply say

\draw ... ;

and not \addplot \draw. Second, the line should be

\draw [ultra thick, dotted, draw=red] 
(axis cs: 2005,1.14) -- (axis cs: 2016,1.14)
node[pos=0.5, above] {$y=12$};

and not (2016,1.14) -- (2016,1.14) which is a point... and notice that since version 1.11 the axis cs: is assumed by default.