Leitura de Clientes crasha

vector<Cliente> readclientetxt();
// files reading
vector<Cliente> clientes = readclientetxt();

vector<Cliente> readclientetxt() //save the file clientes.txt in one vector of clientes (int ; string ; double)
{
    vector<Cliente> clienteslista;//vector that is returned in the end (which is going to have Clients.txt info)
    ifstream fichClientes;//ifstream to store the text file, and then extract the information from it
    fichClientes.open("clientes.txt");//store the text file in the ifstream
    if (!fichClientes)//error message in case of non-existence of the file
        cerr << "ERROR 404 - Clients file not found";

    while (!fichClientes.eof())//cicle to create the vector (ends in end of file)
    {
        Cliente clienteauxdata(fichClientes);//create the cliente which is going to store the info of one line
        string clienteinfo; //string to store the line
        int numCliRead; // number of clients to read
        string numClientesR;
        getline(fichClientes, numClientesR); // Define conditions if a user don't digit a number
        numCliRead = stoi(numClientesR, nullptr, 10);
        while (numCliRead)
        {
            getline(fichClientes, clienteinfo);//store the line in clientinfo, next time its called, reads the next line
            string idRead;//string which stores id information
            string nameRead;//string which stores name information
            string amountRead; //string which stores amount information
            int stringcounter = 0; //store string character place
            for (int i = 0; clienteinfo[i] != ' '; i++)//cicle to read id , lê até encontrar o primeiro espaço char(20) é o espaço!
            {
                idRead = idRead + clienteinfo[i];
                stringcounter = i;
            }
            for (int k = stringcounter + 3; clienteinfo[k] != ';'; k++)//cicle to read name
            {
                nameRead = nameRead + clienteinfo[k];
                stringcounter = k;
            }
            nameRead = nameRead.substr(1, nameRead.size() - 2);
            for (int j = stringcounter + 2; clienteinfo[j]; j++)//cicle to read amount
            {
                amountRead = amountRead + clienteinfo[j];
            }
            clienteauxdata.setId(idRead);//convert string to int
            clienteauxdata.setNome(nameRead);
            clienteauxdata.setVolCompras(amountRead);//convert string to double
            //create the client
            clienteslista.push_back(clienteauxdata);//store client in vector next line

        }
    }
    return clienteslista;//return the vector
}