# #StackBounty: #pgfplots #floats #scaling #tikzscale Error `tikzscale` package when scaling a figure, containing two axis environments n…

### Bounty: 50

I have a `figure` environment with which I depict two `pgfplots` `axis` environments next to each other. I want to scale the figure such that it uses the full `textwidth`. I attempt to do so by means of the `tikzscale` package. I however, get the error

``````! Package pgfplots Error: Error: Plot width `-144.19234pt' is too small. This cannot be implemented while maintaining constant size for labels. Sorry, label sizes are only approximate. You will need to adjust your width..
``````

while there is plenty of room to scale the figure.

The minimum working example is as follows.

``````documentclass{article}

usepackage{currfile}
usepackage{float} % Improved interface for floating objects.
usepackage{lipsum} % For test purposes.
usepackage{pgfplots}
usepackage{showframe}
usepackage{tikzscale}

% TikZ libraries.
usetikzlibrary{calc}
usetikzlibrary{external}
tikzset{external/system call={lualatex -shell-escape -halt-on-error -interaction=batchmode -jobname "image" "texsource"}}
tikzexternalize
usetikzlibrary{plotmarks}

begin{document}
lipsum[1]
begin{figure}[H]
begin{center}
tikzset{external/remake next}
tikzsetnextfilename{currfiledir tikzpicture}
includegraphics[width=textwidth]{currfiledir tikzpicture.tikz}
end{center}
caption{Test caption.}
end{figure}
lipsum[2]
end{document}
``````

The content of `tikzpicture.tikz` is represented by

``````begin{tikzpicture}

begin{loglogaxis}
[
name=plot_left,
xlabel=\$x\$,
ylabel=\$y\$
]

end{loglogaxis}

begin{loglogaxis}
[
name=plot_right,
at={(\$(plot_left.outer east)+(5mm,0)\$)},
anchor=outer west,
legend style=
{
at={(1,1)},
anchor=north west,
draw=none,
fill=none
},
legend cell align=left,
xlabel=\$x\$,
ylabel=\$y\$
]

legend
{
\$l_1\$
}

end{loglogaxis}

draw[dashed,line width=0pt] (plot_left.outer south west) rectangle (plot_left.outer north east);
draw[dashed,line width=0pt] (plot_right.outer south west) rectangle (plot_right.outer north east);

end{tikzpicture}
``````

How do I resolve this error?

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