MyBB Community Forums

lines 14-18 has

<tr>
<td class="trow1" style="white-space: nowrap"><input type="checkbox" class="checkbox" name="delete" value="1" tabindex="9" /><strong>{$lang->delete_q}</strong></td>
<td class="trow1" width="100%">{$lang->delete_note}<br /><span class="smalltext">{$lang->delete_note2}</span></td>
<td class="trow1" style="white-space: nowrap"><input type="submit" class="button" name="submit" value="{$lang->delete_poll}" tabindex="10" /></td>
</table>

Should be

<tr>
<td class="trow1" style="white-space: nowrap"><input type="checkbox" class="checkbox" name="delete" value="1" tabindex="9" /><strong>{$lang->delete_q}</strong></td>
<td class="trow1" width="100%">{$lang->delete_note}<br /><span class="smalltext">{$lang->delete_note2}</span></td>
<td class="trow1" style="white-space: nowrap"><input type="submit" class="button" name="submit" value="{$lang->delete_poll}" tabindex="10" /></td>
</tr>
</table>

Thank you for reporting!
Created ticket => https://github.com/mybb/mybb/issues/2262