C++ console crashes after running - c++

Question

guys, i have a problem.
After i run the program, the console just crashes.
terminate called after throwing an instance of 'std::out_of_range'
what(): basic_string::replace: __pos (which is 4294967295) > this->size() (which is 9)
I mean, you will see.In the program there is an option "Add person", and when i add one, its all okay.But when i enter the program to add second person it crashes.Please, help!
The source code of the programs is:
#include <iostream>
#include <windows.h>
#include <string>
#include <algorithm>
#include <fstream>
using namespace std;
int main(){
system("chcp 1251 > nul");
system("title PeopleData");
string firstName;
string midName;
string lastName;
string fullName;
string line;
long ID = 27560000;
int age;
char gender;
cout << "1.Add person" << endl;
cout << "2.Read file" << endl;
cout << "3.Exit" << endl << endl;
cout << "Please, enter your choice: ";
int choice;
cin >> choice;
if(choice == 1)
{
system("cls");
ofstream myfile("Data.txt", ios::app);
ifstream file("Data.txt");
string IDLine;
int numberOfLines = 0;
if (myfile.is_open())
{
while (getline (file, line) )
{
numberOfLines ++;
}
file.close();
ifstream file("Data.txt");
int y = 0;
line = "";
while(getline(file, line))
{
IDLine = line;
if(y == numberOfLines - 5)
{
goto NextStep;
}
y++;
}
}
else
{
cout << "Unable to open file";
}
NextStep:
string LastID = IDLine;
if(LastID != "")
{
LastID.replace(LastID.find("ID: "), string("ID: ").length(), "");
ID = atoi(LastID.c_str()) + 1;
}
else
{
ID = 27560000;
}
cout << "First Name: ";
cin >> firstName;
cout << endl << endl;
cout << "Middle Name: ";
cin >> midName;
cout << endl << endl;
cout << "Last Name: ";
cin >> lastName;
cout << endl << endl;
cout << "Age: ";
cin >> age;
cout << endl << endl;
cout << "Gender (m / f): ";
cin >> gender;
fullName = firstName + " " + midName + " " + lastName;
myfile << "First Name: " << firstName << "\n";
myfile << "Middle Name: " << midName << "\n";
myfile << "Last Name: " << lastName << "\n";
myfile << "Full Name: " << fullName << "\n";
myfile << "Age: " << age << "\n";
myfile << "Gender: " << gender << "\n";
myfile << "ID: " << ID << "\n";
myfile << "\n---------------\n\n";
myfile.close();
file.close();
return 0;
}
if(choice == 2)
{
system("cls");
ifstream myfile ("Data.txt");
if (myfile.is_open())
{
while ( getline (myfile,line) )
{
cout << line << '\n';
}
myfile.close();
}
else
{
setcolor(12);
cout << "Unable to open file";
}
}
if(choice == 3)
{
return 0;
}
system("pause > nul");
return 0;
}
`