Исключение в деструкторе

#include "Date.h"
#include "Person.h"
#include "Client.h"
#include "Clients_Container.h"
#include "Worker.h"
#include "Bed.h"
#include <vector>
 
 
int main() {
    srand(time(NULL));
    Date Date_1(25, 05, 2021);
    Clients_DB DB_1(3);
 
    Client Client_1("Mikhail", "Zubenko", 44, "Kharkiv", 1);
    cout << "Client" << endl;
    Client_1.print_Info();
    DB_1.push_back(&Client_1);
    Bed Bed_1(0, 0, 500, 114);
    Bed_1.own(DB_1[0]);
    cout << "DB_1[0]" << endl;
    DB_1[0].print_Info();
    cout << "Client" << endl;
    Client_1.print_Info();
    cout << "Bed" << endl;
    Bed_1.print_Info();
    system("pause");
    return 0;
}

#include "Client.h"
Client::Client() {
    set_room_Number(101);
    set_check_in_Date("1.1.2001");
}
Client::Client(string n, string s, int a, string c, bool p, int rn, string cid) {
    name = n;
    surname = s;
    age = a;
    city = c;
    privileges = p;
    room_Number = rn;
    check_in_Date = cid;
}
Client::Client(const Client& copy) {
    name = copy.name;
    surname = copy.surname;
    age = copy.age;
    city = copy.city;
    privileges = copy.privileges;
    room_Number = copy.room_Number;
    check_in_Date = copy.check_in_Date;
}
Client::~Client() {};
int Client::get_room_Number() {
    return room_Number;
}
 
Client& Client::operator=(const Client& C) {
    if (&C == this) {
        return *this;
    }
    name = C.name;
    surname = C.surname;
    age = C.age;
    city = C.city;
    privileges = C.privileges;
    room_Number = C.room_Number;
    check_in_Date = C.check_in_Date;
}
 
void Client::set_room_Number(int rn) {
    room_Number = rn;
}
string Client::get_check_in_Date() {
    return check_in_Date;
}
void Client::set_check_in_Date(string cid) {
    check_in_Date = cid;
}
 
void Client::print_Info() {
    cout << "Name: " << name<<endl;
    cout << "Surname: " << surname << endl;
    cout << "Age: " << age << endl;
    cout << "City: " << city << endl;
    cout << "Privileges: " << privileges << endl;
    cout << "Room number: " << room_Number << endl;
    cout << "Check-in date: " << check_in_Date << endl;
    cout << "\n----------------------\n";
}

#include "Clients_Container.h"
Clients_DB::Clients_DB() {
    size = 0;
    data = nullptr;
}
Clients_DB::Clients_DB(int size) {
    if (size > 0) {
        data = new Client[size];
    }
    else {
        data = nullptr;
    }
}
Clients_DB::~Clients_DB() {
    for (int i = 0; i < size; i++) {
        delete[] data;
    }
}
 
void Clients_DB::erase() {
    delete[] data;
    data = nullptr;
    size = 0;
}
 
Client& Clients_DB::operator[](int ind) {
    if (ind >= 0 && ind < size) {
        return data[ind];
    }
}
int Clients_DB::get_Size() {
    return size;
}
 
void Clients_DB::reallocate(int s) {
    erase();
    if (s <= 0) {
        return;
    }
    data = new Client[s];
    size = s;
}
void Clients_DB::push_back(Client* C) {
    if (size == 0) {
        data = new Client;
        data = C;
        size++;
    }
    else {
        this->reallocate(size + 1);
        size++;
        data = C;
 
    }
}

void Clients_DB::push_back(Client* C) {
    if (size == 0) {
        data = new Client;
        *data = *C;
        size++;
    }
    else {
        this->reallocate(size + 1);
        size++;
        *data = *C;
    }
}