Java Symbol Error

i keep getting this "Error:cannot find symbol" on line 44 and i cant figure out what symbol im missing. im sure that all my variables are declared. Can someone help me find the problem in my code?

class personne{
    private String naissance;
    private int nbCafe;

    public personne(String year, int number){
        naissance=year;
        nbCafe=number;
    }
    public personne(String year){
        naissance=year;
        nbCafe=1;
    }

    public String getnaissance(){
        return naissance;
    }
    public int getnbCafe(){
        return nbCafe;
    }
    public void afficher(String message){
        System.out.println(message+ ": nee le 16 novembre 1994, consomme 2 tasse(s) de cafe");
    }

    public void affichertable(personne [] table, int amount,String message){
        System.out.printf("Contenu du tableau de %d personne(s) %s", amount,message);
            System.out.printf("Naissance     nbCafe");
        for (int i=0; i<amount;i++)
            System.out.printf("%6.2s    %8.2d\n", table[i].getnaissance(), table[i].getnbCafe() );


    }
}

public class popo{
    public static void main(String args[]){
        personne p1= new personne("16/11/1994",2);
        personne p2=new personne("15/12/1990");

        p1.afficher("Informations de p1");

        personne[] pers={ new personne("12/10/1991",3),new personne("15/10/1990",6), new personne("13/07/1993",3), new personne("05/06/1991"),new personne("16/12/1992",3)};    
        int nbpers=pers.length;

        affichertable(pers,nbpers,"premier tableau");//This is line 44 where the error occurs
    }
}