Error C2079: uses undefined class

[Momentum]

Hi,

I have two classes, each having its own header and implementation files. I'm trying to use one object in another object, but I'm constantly getting this error. Any suggestions? thanks

actual error

Error C2079: 'Waiter::curentTable' uses undefined class 'Table'

waiter.h

#ifndef WAITER_H
#define WAITER_H

#include <string>
#include "Table.h"

using namespace std;

class Waiter{
public:
	Waiter();
	string getID();
private:
	Table currentTable;
	string ID;
};

#endif

waiter.cpp

#include <iostream>
#include <string>
#include "Waiter.h"

Waiter::Waiter(){}

string Waiter::getID(){
	return ID;		
}

table.h

#ifndef TABLE_H
#define TABLE_H

#include <string>
#include "Waiter.h"

using namespace std;

class Table{
public:
	void assignWaiterToTable(Waiter waiter);
	string myWaiter();

private:
	string id;
	string waiterID;
};

#endif

table.cpp

#include <iostream>
#include <string>
#include "Table.h"

using namespace std;

void Table::assignWaiterToTable(Waiter waiter)
{
	waiterID = waiter.getID();
}

string Table::myWaiter(){
	return waiterID;
}