code: @Override
  	public CommerceSubscriptionEntry findByG_U_Last(long groupId, long userId,
  		OrderByComparator<CommerceSubscriptionEntry> orderByComparator)
  		throws NoSuchSubscriptionEntryException {
  		CommerceSubscriptionEntry commerceSubscriptionEntry = fetchByG_U_Last(groupId,
  				userId, orderByComparator);
  
  		if (commerceSubscriptionEntry != null) {
  			return commerceSubscriptionEntry;
  		}
  
  		StringBundler msg = new StringBundler(6);
  
  		msg.append(_NO_SUCH_ENTITY_WITH_KEY);
  
  		msg.append("groupId=");
  		msg.append(groupId);
  
  		msg.append(", userId=");
  		msg.append(userId);
  
  		msg.append("}");
  
  		throw new NoSuchSubscriptionEntryException(msg.toString());
  	}
docs: Returns the last commerce subscription entry in the ordered set where groupId = &#63; and userId = &#63;.
  
  @param groupId the group ID
  @param userId the user ID
  @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
  @return the last matching commerce subscription entry
  @throws NoSuchSubscriptionEntryException if a matching commerce subscription entry could not be found