Please add this code in your wp-content/plugins/wplms-customizer/wplms-customizer.php file : 


 

add_filter('wplms_fontend_cpt_query','custom_wplms_fontend_cpt_query');
function custom_wplms_fontend_cpt_query(){
 return  $args= array(
            'post_type'=> 'product',
            'author'       => get_current_user_id(),
            'numberposts'=> 999
            );
}