Не получается открыть семафор. GetLastError 5 - C++ - Ответ 9068525

HANDLE barber,cashier;//costumer[49];
    int n;
    textcolor(WHITE); //цвет текста - белый
 
    max_capacity = CreateSemaphore(NULL, 20, 20, "max_capacity1");
    sofa = CreateSemaphore(NULL, 4, 4, "sofa");
    barber_chair = CreateSemaphore(NULL, 1, 1, "barber_chair");
    coord = CreateSemaphore(NULL, 1, 1, "coord");
while (cust_ready==NULL)
    {
     cust_ready = OpenSemaphore(NULL, false, "cust_ready");
    leave_b_chair = OpenSemaphore(NULL, false, "leave_b_chair");
    payment = OpenSemaphore(NULL, false, "payment");
    receipt = OpenSemaphore(NULL, false, "receipt");
 
    finished = OpenSemaphore(NULL, false, "finished");
    }

  HANDLE barber,cashier,costumer[49];
    int n;
    textcolor(WHITE); //цвет текста - белый
    while (max_capacity==NULL)
    {
    max_capacity = OpenSemaphore(NULL,false, "max_capacity1");
    sofa = OpenSemaphore(NULL, false, "sofa");
    barber_chair = OpenSemaphore(NULL, false, "barber_chair");
    coord = OpenSemaphore(NULL, false, "coord");
    int error=GetLastError();
    cout<<"error code:"<<error<<'\n';
    }
    cust_ready = CreateSemaphore(NULL, 0, 1, "cust_ready");
    leave_b_chair = CreateSemaphore(NULL, 0, 1, "leave_b_chair");
    payment = CreateSemaphore(NULL, 0, 1, "payment");
    receipt = CreateSemaphore(NULL, 0, 1, "receipt");
 
    finished = CreateSemaphore(NULL, 0, 1, "finished");
    if (max_capacity!=FALSE)