Error when running my code

[Gakus]

Hello folks, I'm very new to C++.
My problem is that when I run my coded below on Xcode, I get a following error.

libc++abi.dylib: terminating with uncaught exception of type std::out_of_range: basic_string
(lldb)

Any tips or solution as to how to fix this problem?

Thank you in advance.

[Thomas1965]

The problem is that you read characters from phrase that not exist when phrase is shorter than 25 chars.
I guess you want to remove all the whitespace from the input and store it in newString.

#include <iostream>
#include <string>
using namespace std;
int main()
{
  string phrase;
  cout << "Enter a short phrase: ";
  //cin.ignore(); why skip first char ??????
  getline(cin, phrase);
  string newString;

  // range loop - see https://www.geeksforgeeks.org/range-based-loop-c/
  for (char ch: phrase)
    if (!isspace(ch))
      newString += ch;

  if (newString.length() < 13)
    cout << "Your phrase without space is : " << newString << endl;
  else
    cout << "Your phrase was too long..." << endl;

    system("pause");
  return 0;
}

[Gakus]

Thank you for your reply.
Would there be another way with out using loop?
Also could you explain what you mean by whitespace from the input? I could not find any.

[Thomas1965]

Would there be another way with out using loop?

That's what you did, but it's extreme cumbersome. With checking the length it would be like:

if (phrase.size() > 0 && ( !isspace(phrase.at(0))
  newString += phrase.at(0);
if (phrase.size() > 1 && ( !isspace(phrase.at(1))
  newString += phrase.at(1);

Why don't you want loops?
If you haven't learned them it's time. They make life so much easier.

Also could you explain what you mean by whitespace from the input? I could not find any.

white are ' ', '\n' '\r', '\t' ...
That's what isspace is for

[Gakus]

Thank you so much for your answer, it all make sense now, will learn loop as soon as I can!

[MikeyBoy]

Please DON'T delete your code after you've got the answer to your question. It makes this thread useless as a learning resource for others. It's a selfish abuse of this forum.

Please edit your OP to restore it with the original code.