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 ); }