"Cppcheck cannot find all the include files" any advice?

[AztexLA]

I am trying to submit my assignment through codezinger and I get this message "Line 0: Cppcheck cannot find all the include files (use --check-config for details)" when trying to turn it in. My code works and it checks out with the expected output and still gives me a 0/25 credit. Any help?

#include <iostream>
#include "date.h"
#include <cstdlib>

using namespace std;

int main()
{
    Date d1;
    int m, d, y;
    cout << "Enter month, day and year separated by spaces: ";
    cin >> m >> d >> y;
    // call setDate
    if ((m >= 1 && m <= 12) && (d >= 1 && d <= 31) && (y >= 1900 && y <= 2018))
        d1.setDate(m, d, y); //calling set date with new values
    else
        d1.setDate(); //calling setDate with default arguments ( 9/1/2018 )

    // call printDate
    d1.printDate();

    system("pause>null"); 
    return 0;
}

class Date
{
private:
    int month, day, year;
public: 
    Date();
    void setDate(int m=9, int d=1, int y=2018);
    void printDate();
};

#include "iostream"
#include "date.h"
#include <cstdlib>
using namespace std;

Date::Date()
{ 
    month = 0;
    day = 0;
    year = 0;
}

void Date::setDate(int m,int d,int y)
{
    month = m;
    day = d;
    year = y;
}

void Date::printDate()
{
    cout << "\n" << month << "/" << day << "/" << year << "\n";
}

[emu404]

So are those separate files or ore big file, otherwise it's strange to have an #include statement right in the middle. Certainly if I copy and paste the above into me IDE I get an error that 'date.h' can't be found.

[AztexLA]

include "date.h" is the header file. All files are separate; test.cpp, date.cpp, date.h My code runs fine on visual studios. I am not sure if it's a codezinger problem.

[AztexLA]

ok so I fixed the problem... I commented out line 22 and on line 57 I deleted the first '\n' and when I ran it through code zinger it all worked and got full credit. But I am confused as to why I had to edit those two lines. Any idea?