[Tex/LaTex] Missing \endgroup inserted in tabular

errorstables

I have to make a table with nested columns in the first row.

\begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|c|c|}
\hline
\multicolumn{14}{|c|}{Truth table}\\
\hline
\multicolumn{4}{|c|c|c|c}{Inputs} %error here
 & \multicolumn{10}{|c|c|c|c|c|c|c|c|c|c|}{Outputs}\\
\hline
$A_3$ & $A_2$ & $A_1$ & $A_0$ & $\bar{Y_0}$ & $\bar{Y_1}$ & $\bar{Y_2}$ & $\bar{Y_3}$ & $\bar{Y_4}$ & $\bar{Y_5}$ & $\bar{Y_6}$ & $\bar{Y_7}$ & $\bar{Y_8}$ & $\bar{Y_9}$\\
\hline 
\end{tabular}
\end{solution}

When trying to compile, it's throwing me the following error on the fifth line of the code showed earlier.

Missing \endgroup inserted

I have closed the curly brackets. What am I missing?

Best Answer

Try this:

 \documentclass{article}
    \usepackage{array}
    \setlength{\extrarowheight}{2pt}
    \begin{document}
    \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|c|c|}
    \hline
    \multicolumn{14}{|c|}{Truth table}\\
    \hline
    \multicolumn{4}{|c|}{Inputs} & \multicolumn{10}{c|}{Outputs}\\
    \hline
    $A_3$ & $A_2$ & $A_1$ & $A_0$ & $\bar{Y_0}$ & $\bar{Y_1}$ & $\bar{Y_2}$ & $\bar{Y_3}$ & $\bar{Y_4}$ & $\bar{Y_5}$ & $\bar{Y_6}$ & $\bar{Y_7}$ & $\bar{Y_8}$ & $\bar{Y_9}$\\
    \hline 
    \end{tabular}
    \end{document}