Почему компилятор выдает ошибку?

#include <stdio.h>
#include <clocale>
 
typedef enum{
    COUNT, POUNDS, PINTS
}unit_of_measure;
    
typedef union{
    short count;
    float weight;
    float volume;
}quantity;
 
typedef struct{
    const char *name;
    const char *country;
    quantity amount;
    unit_of_measure unit;
}fruit_order;
 
void display(fruit_order order){
    printf("Ýòîò çàêàç ñîäåðæèò ");
    if(order.unit == PINTS){
        printf("%2.2f ïèíò %s\n", order.amount.volume, order.name);
    }
    else if(order.unit == POUNDS){
        printf("%2.2f ôóíòîâ %s\n", order.amount.weight, order.name);
    }
    else
        printf("%i %s", order.amount.count, order.name);
} 
 
int main()
{
    setlocale(LC_ALL, "russian");
    fruit_order apples = {"ÿáëîê", "Èñïàíèÿ", .amount.count=144, COUNT};
    fruit_order strawberry = {"êëóáíèêè", "Èñïàíèÿ", .amount.weight=17.6, POUNDS};
    fruit_order oj = {"àïåëüñèíîâîãî ñîêà", "Àíãèëÿ", .amount.volume=10.5, PINTS};
    
    display(apples);
    display(strawberry);
    display(oj);
    
    return 0;
}

int main()
{
    quantity am1,am2,am3;
    setlocale(LC_ALL, "russian");
    am1.count=144;
    fruit_order apples = {"яблок", "Испания", am1, COUNT};
    am2.weight = 17.6;
    fruit_order strawberry = {"клубники", "Испания",am2 , POUNDS};
    am3.volume = 10.5;
    fruit_order oj = {"апельсинового сока", "Ангиля", am3, PINTS};
    display(apples);
    display(strawberry);
    display(oj);
    std::system("pause"); 
    return 0;
}