$labels[] = CRM_Core_DAO::getFieldValue('CRM_Price_DAO_PriceFieldValue', $val, 'label');
}
$query->_where[$grouping][] = "civicrm_line_item.price_field_value_id IN (" . implode(', ', $value) . ")";
+ $query->_where[$grouping][] = "civicrm_line_item.qty > 0";
$query->_qill[$grouping][] = ts("Fee level") . " IN " . implode(', ', $labels);
$query->_tables['civicrm_participant'] = $query->_tables['civicrm_line_item'] = $query->_whereTables['civicrm_line_item'] = 1;
return;