Can not add content to docx files(crashed)

[AeYeung]

#include <duckx.hpp>
#include
using namespace std;

int main() {
duckx::Document doc("/home/hemingyang/Desktop/duckx/DuckX/samples/my_test.docx");

doc.open();


duckx::Paragraph &paragraphs = doc.paragraphs();


paragraphs.insert_paragraph_after("This is a new line added to the document.", duckx::formatting_flag());


doc.save();
std::cout << "Text added successfully!" << std::endl;

return 0;

}
double free or corruption (!prev)

Pls tell me how to add content in docx files

[AeYeung]

double free or corruption (!prev)
how to debug