“No suitable columns” in tabulary

ieeeaccesstablestabulary

There's a No suitable columns warning in my tabulary table.

I googled a lot, but it seems former examples of this warning were triggered by other things (e.g. cases) in the table (e.g. this question).

However, my table is very simple:

\begin{table*}
    \centering
    \caption{Experiment Results}
    \begin{threeparttable}
        \begin{tabulary}{.5\linewidth}{l|c||l|c}
            \toprule
            A & B & C & D \\
            \midrule
            E & F & G & H \\
            I & J & K & L \\
             & & M & N\\
            \bottomrule
        \end{tabulary}
        \begin{tablenotes}
            \item [*] XXX
            \item [*] YYY
        \end{tablenotes}
    \end{threeparttable}
    \label{tab:res}
\end{table*}

Anything I can do to solve such warning?

Working exmaple:

\documentclass{ieeeaccess}

\usepackage{cite}
\usepackage{amsmath,amssymb,amsfonts}
\usepackage{algorithmic}
\usepackage{graphicx}
\usepackage{textcomp}
\usepackage{subcaption}
\usepackage{threeparttable}
\usepackage{makecell}
\usepackage{booktabs}
\usepackage{tabulary}

\begin{document}


\history{Date of publication xxxx 00, 0000, date of current version xxxx 00, 0000.}
\doi{10.1109/ACCESS.2017.DOI}

\title{FooFooFoo}


\author{Foo}

\markboth
{Author \headeretal: Preparation of Papers for IEEE TRANSACTIONS and JOURNALS}
{Author \headeretal: Preparation of Papers for IEEE TRANSACTIONS and JOURNALS}

\corresp{Corresponding author: First A. Author (e-mail: author@ boulder.nist.gov).}



\begin{abstract}
foo
\end{abstract}

\begin{keywords}
foo
\end{keywords}



\titlepgskip=-15pt
\maketitle

\begin{table*}
    \centering
    \caption{Experiment Results}
    \begin{threeparttable}
        \begin{tabulary}{.5\linewidth}{l|c||l|c}
            \toprule
            AAAAAAA & BBBBBBBB & CCCCCC & DDDDDDDD \\
            \midrule
            Eaaaa & Faaaa & Gaaaa & Haaaaa \\
            Iaa & aaaaaaJ & Kaaaaa & Laaaaa \\
             & & Maaaaaaa & Naaaaaaaa\\
            \bottomrule
        \end{tabulary}
        \begin{tablenotes}
            \item [*] XXX
            \item [*] YYY
        \end{tablenotes}
    \end{threeparttable}
    \label{tab:res}
\end{table*}

\EOD

\end{document}

Best Answer

tabulary determines the widths of L, C, R and J columns to achieve the specified table width. If none of these special column types is used in the table, the package can do nothing useful and gives the no suitable columns warning.

Probably you want to change {l|c||l|c} to {L|C||L|C}

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