Graphics, Figures & Tables ⇒ making a table obtaining error messages HELP

[mavelezq]

I am new to LaTeX and I am trying to make a table. These are the packages that I have included in my document

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\usepackage{graphics}
\usepackage[pdftex]{graphicx}
\usepackage{amsmath,amssymb}
\usepackage{rotating}
\usepackage{float}
\floatstyle{ruled}
\usepackage{multirow}
\usepackage{wrapfig}
\usepackage{tabularx}
\usepackage[english]{babel}
\renewcommand{\rmdefault}{ptm}
\newcommand{\degree}{\ensuremath{^\circ}}

In the document I have these commands:
example:

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\begin{table}
\caption{Gram-negative bacterial isolates identified from air samples collected in Bamako, Mali using BLASTN public database and API 20E}
\begin{tabular}{l l l l l l}
\hline
&Family &Isolate ID	&Length of Query (bp) 	&Similarity (\%) 	&Closest relative (BLASTN)	& API-20E (\% identity) \\
\multirow{3}{*}{\textit{Moraxellaceae}} &MV9041	&554	&98\% &\textit{Acinetobacter baumannii}& ND \\
&MV9011	&457	&98\%	&\textit{Acinetobacter calcoaceticus}	&Burkholderia cepacia (46.9) Non-fermenter spp (25.2) \\
&MV9037	&585	&97\%	&\textit{Acinetobacter} sp. &\textit{Klebsiella pneumoniae} ssp. (98.1) \textit{Serratia plymuthica} (0.9) \\
&\texit{Myroidaceae}&MV8022	&598	&99\%	&\texit{Myroides odoratimimus}	&\textit{Myroides} spp./ \texit{Chryseobacterium indologenes} (62.5)
\textit{Chryseobacterium indologenes} (34.5)\\
\hline
\end{tabular}
\label{table:8}
\end{table} 

but I am obtaining these errors:

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!Extra alignment tab has been changed to \cr.<recently read> \endtemplate
!Undefined control sequence...

What am I doing wrong??? Please help thanks

[josephwright]

Two separate issues here. First

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!Extra alignment tab has been changed to \cr.<recently read> \endtemplate

means you have too many &: LaTeX does actually point to the problem, in this case the first error I get is

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! Extra alignment tab has been changed to \cr.
<recently read> \endtemplate 
                             
l.8 ...%)        &Closest relative (BLASTN)      &
                                                   API-20E (\% identity) \\

You therefore either need more columns (more l in the template), or to split up the lines.

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!Undefined control sequence...

looks like a typo, as you have \texit rather than \textit.

[mavelezq]

Thank you so much. I guess I am tired of looking to this monitor. Appreciate your help