I am finding some error running this program

I have been trying to find errors please help me out here guys

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#include <iostream>
#include <cmath> 
using namespace std;
 
const double PI = 3.141592654;

void ConeVolume(double x, double n);

int main()
{
	double removedSectorLength;  
    double PaperRad;
    double paperCupBaseRad; //r
    double paperCupHeight; //h
    double paperCupVol;
    double PaperCircum;
    double maxVolume;

    //  Program Introduction to User ...
    cout << "\n\t ************************************************"    
         << "\n\t * Simple program that calculates a Max Volume  *"    
         << "\n\t * cup-like container from ciruclar paper sheet *"    
         << "\n\t *      with a pie-shaped wedge cut out.        *"    
         << "\n\t ************************************************   
         << "\n\n" << endl;     
    
 	cout << fixed << showpoint << setprecision(6);   

    cout << "Enter the radius of the circular paper in inches: ";
    cin >> PaperRad;
    cout << endl;

    x = 0.00;
    removedSectorLength = 0.0;
    PaperCircum = 2 * PI * PaperRad;

    cout << fixed << showpoint << setprecision(2);

    while (x <= PaperCircum)
    {
        paperCupBaseRad = PaperRad  - (x / (2 * PI));
        paperCupHeight = sqrt(PaperRad * PaperRad - paperCupBaseRad * paperCupBaseRad);

        paperCupVol = (1.0 / 3.0) * PI * (paperCupBaseRad * paperCupBaseRad) * paperCupHeight;

        if (paperCupVol <= maxVolume)      
        {
            maxVolume = paperCupVol;
            removedSectorLength = x;
        }

        x = x + 0.01;
    }

    cout << "Length of the removed sector: " << removedSectorLength << " inch"<< endl
    cout << "\nMax Volume " << maxVolume << " cubic inches"<< endl;

    //  Simple Hold Screen Code for Command Prompt C++ Compilers
    char holdscr;     // This character and section is to hold screen open
    cout << "\n\n\tPress a character and Enter to exit program. ";
    cin >> holdscr;     

	return 0;
}
   
"Some error"? Wow. You're really trying hard to provide us with useful information here, aren't you?
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