Showing Runtime ErrorAbort signal from abort(3) (SIGABRT)

// Sum of Sub-Array

#include<iostream>
#include<vector>
using namespace std;

  
void firstSubArray(vector<int> arr, int size, int sum)
{
    int newSum = 0;
    int beginPos=0;
    for(int i = 0; i<size; i++)
    {
        newSum += arr.at(i);
        if(newSum > sum)
        {
            newSum = newSum - arr.front();
            arr.erase(arr.begin());
            beginPos++;
        }
        if(newSum == sum) {
            cout << beginPos + 1 << " " << i + 1;
            return;
        }
    }
    cout<<"-1";
}


int main()
{
    int testCases;
    cin>>testCases;
    int size, sum;
    int temp;

    for(int j = 0; j<testCases; j++) {
        cin>>size>>sum;
        vector<int>arr;
        for (int i = 0; i < size; i++) {
            cin >> temp;
            arr.push_back(temp);
        }
        firstSubArray(arr, size, sum);
        cout<<endl;
    }


    return 0;
}