API to Delete Valid Category Set

DECLARE
           l_return_status    VARCHAR2(80);
           l_error_code       NUMBER;
           l_msg_count        NUMBER;
           l_msg_data         VARCHAR2(80);
           l_category_set_id  NUMBER;
           l_category_id      NUMBER;
   g_prem             varchar2(10);
BEGIN
         select mcs_tl.CATEGORY_SET_ID into l_category_set_id
           from mtl_category_sets_tl mcs_tl
          where mcs_tl.CATEGORY_SET_NAME ='INV_COLORS_SET';

         select mcb.CATEGORY_ID into l_category_id
           from mtl_categories_b mcb
          where mcb.SEGMENT1='RED'
            and mcb.STRUCTURE_ID = (select mcs_b.STRUCTURE_ID
                from mtl_category_sets_b mcs_b
                where mcs_b.CATEGORY_SET_ID = (select mcs_tl.CATEGORY_SET_ID
                  from mtl_category_sets_tl mcs_tl
                  where CATEGORY_SET_NAME ='INV_COLORS_SET'));

      INV_ITEM_CATEGORY_PUB.Delete_Valid_Category (
            p_api_version      => 1.0,
            p_init_msg_list    => FND_API.G_FALSE,
            p_commit           => FND_API.G_TRUE,
            x_return_status    => l_return_status,
            x_errorcode        => l_error_code,
            x_msg_count        => l_msg_count,
            x_msg_data         => l_msg_data,
            p_category_set_id  => l_category_set_id,
            p_category_id      => l_category_id);

  IF l_return_status = fnd_api.g_ret_sts_success THEN
    COMMIT;
    DBMS_OUTPUT.put_line ('Delete Valid Category is Successful : '||l_category_id);
  ELSE
    DBMS_OUTPUT.put_line ('Delete Valid Category Failed with the error :'||l_error_code);
    ROLLBACK;
  END IF;
END ;