TypeError: a.aoColumns[c] is undefined while am adding more than 6 TDs

<table class="table table-bordered table-striped table_vam" id="dt_gal">
<thead>
<tr>
<th>I</th>
<th>F</th>
<th>L</th>
<th>E</th>
<th>P</th>
<th>U</th>
<th>f</th>
</tr>
</thead>
<tbody>
<cfloop query="query">
<tr>
<td>a</td>
<td>b</td>
<td>c</td>
<td>d</td>
<td>e</td>
<td>f</td>
<td> g</td>
</tr>
</cfloop>
</tbody>
</table>

in my purchased template have only 6 TDs example so i think some where its looking for 6 TDs ... if am trying to add more than 6 TDs getting this error "TypeError: a.aoColumns[c] is undefined"


Please help me

Thanks in advance !!