OT_UCE template help required

yes, currently is col-sm-4 for 4 collumn, if you need show 3 collumn please change all to col-sm-3
This is standard bootstrap when dividing columns, please refer www.w3schools.com/bootstrap/bootstrap_grid_examples.asp

I changed the Module Class Suffix to the one provided.
Still showing the same.
URL is:
thegiftmart.in/ot/

could you please change:
first module: col-sm-6
There are two modules you can leave behind col-sm-3

please see attached

Fatal error: Class 'ContentHelperRoute' not found in /home/giftmart/public_html/ot/modules/mod_otclientlogosscroller/helper.php on line 73

On thegiftmart.in/ot/index.php/volunteer

Could you please open file helper with path
/home/glxdmadmin/public_html/joomla3/ot_ucehelp/modules/mod_otclientlogosscroller/helper.php
and add code
require_once JPATH_SITE . '/components/com_content/helpers/route.php';
bellow: defined('_JEXEC') or die( 'Restricted access' );