If you do not want to use pagination for your portfolio, but instead want all items displayed in one page. You can do that by editing the file \includes\core\codeless_routing.php

Find the lines:

if(!function_exists('codeless_set_portfolio_query')){
function codeless_set_portfolio_query()
{
global $cl_redata;

$p_per_page = 6;
switch($cl_redata['portfolio_columns']){
case '1':
$p_per_page = 3;
break;
case '2':
$p_per_page = 2;
break;
case '3':
$p_per_page = 9;
break;
case '4':
$p_per_page = 12;
break;
case '5':
$p_per_page = 10;
break;
}
and replace with:

if(!function_exists('codeless_set_portfolio_query')){
function codeless_set_portfolio_query()
{
global $cl_redata;

$p_per_page = 6;
switch($cl_redata['portfolio_columns']){
case '1':
$p_per_page = 999;
break;
case '2':
$p_per_page = 999;
break;
case '3':
$p_per_page = 999;
break;
case '4':
$p_per_page = 999;
break;
case '5':
$p_per_page = 999;
break;
}
Save file and refresh page!