I tried to run a program but the process stops due to the error

Qt Code: 
  1. :-1: error: No rule to make target '../../../../../IBO_win03_1/mainwindow.ui', needed by 'ui_mainwindow.h'.  Stop.
To copy to clipboard, switch view to plain text mode 

.h
Qt Code: 
  1. #ifndef MAINWINDOW_H
  2. #define MAINWINDOW_H
  3.  
  4. #include <QMainWindow>
  5.  
  6.  
  7. namespace Ui {
  8. class MainWindow;
  9. }
  10.  
  11. class MainWindow : public QMainWindow
  12. {
  13.     Q_OBJECT
  14.  
  15. public:
  16.     explicit MainWindow(QWidget *parent = 0);
  17.     ~MainWindow();
  18.  
  19. private slots:
  20.     void on_pshOdpriDatoteko_clicked();
  21.  
  22.     void on_pshShraniDatoteko_clicked();
  23.  
  24.     void on_actionIzhod_triggered();
  25.  
  26.     void on_actionOdpri_triggered();
  27.  
  28.     void on_actionShrani_kot_triggered();
  29.  
  30. private:
  31.     Ui::MainWindow *ui;
  32.  
  33.     QString dat;
  34. };
  35.  
  36. #endif // MAINWINDOW_H
To copy to clipboard, switch view to plain text mode 

main
Qt Code: 
  1. #include "mainwindow.h"
  2. #include <QApplication>
  3.  
  4. int main(int argc, char *argv[])
  5. {
  6.     QApplication a(argc, argv);
  7.     MainWindow w;
  8.     w.show();
  9.  
  10.     return a.exec();
  11. }
To copy to clipboard, switch view to plain text mode 

.cpp
Qt Code: 
  1. #include "mainwindow.h"
  2. #include "ui_mainwindow.h"
  3. #include <QFileDialog>
  4. #include <QDebug>
  5. #include <QFile>
  6. #include <QTextStream>
  7. #include <QMessageBox>
  8.  
  9.  
  10. MainWindow::MainWindow(QWidget *parent) :
  11.     QMainWindow(parent),
  12.     ui(new Ui::MainWindow)
  13. {
  14.     ui->setupUi(this);
  15. }
  16.  
  17. MainWindow::~MainWindow()
  18. {
  19.     delete ui;
  20. }
  21.  
  22. void MainWindow::on_pshOdpriDatoteko_clicked()
  23. {
  24.     dat = QFileDialog::getOpenFileName(
  25.                 this,
  26.                 "Odpri datoteko",
  27.                 "C://",
  28.                 "Vse datoteke (*.*)");
  29.  
  30.     /*
  31.     QMessageBox::information(
  32.                 this,
  33.                 "",
  34.                 dat);
  35.                 */
  36.  
  37.     QFile datoteka(dat);
  38.     if (!datoteka.open(QIODevice::ReadOnly))
  39.         QMessageBox::information(
  40.                     this,
  41.                     "",
  42.                     datoteka.errorString()
  43.                     );
  44.     QTextStream in(&datoteka);
  45.     ui->tb->setText(in.readAll());
  46.     datoteka.close();
  47. }
  48.  
  49. void MainWindow::on_pshShraniDatoteko_clicked()
  50. {
  51.     QFile datoteka(dat);
  52.     if (!datoteka.open(QIODevice::ReadWrite))
  53.         QMessageBox::information(
  54.                     this,
  55.                     "",
  56.                     datoteka.errorString()
  57.                     );
  58.     QTextStream out(&datoteka);
  59.     out << ui->tb->toPlainText();
  60.     datoteka.close();
  61. }
  62.  
  63. void MainWindow::on_actionIzhod_triggered()
  64. {
  65.     MainWindow::close();
  66. }
  67.  
  68. void MainWindow::on_actionOdpri_triggered()
  69. {
  70.     MainWindow::on_pshOdpriDatoteko_clicked();
  71. }
  72.  
  73. void MainWindow::on_actionShrani_kot_triggered()
  74. {
  75.     dat = QFileDialog::getSaveFileName(
  76.                 this,
  77.                 "Shrani datoteko kot",
  78.                 "C://",
  79.                 "Vse datoteke (*.*)");
  80.  
  81.     QMessageBox::information(
  82.                 this,
  83.                 "",
  84.                 dat);
  85.     QFile datoteka(dat);
  86.  
  87.     if (!datoteka.open(QIODevice::WriteOnly | QIODevice::Text))
  88.         QMessageBox::information(
  89.                     this,
  90.                     "",
  91.                     datoteka.errorString()
  92.                     );
  93.  
  94.     QTextStream out(&datoteka);
  95.     out << ui->tb->toPlainText();
  96.     datoteka.close();
  97. }
To copy to clipboard, switch view to plain text mode 

.pro
Qt Code: 
  1. #-------------------------------------------------
  2. #
  3. # Project created by QtCreator 2014-10-30T12:51:09
  4. #
  5. #-------------------------------------------------
  6.  
  7. QT       += core gui
  8.  
  9. greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
  10.  
  11. TARGET = IBO_win_03
  12. TEMPLATE = app
  13.  
  14.  
  15. SOURCES += main.cpp\
  16.         mainwindow.cpp
  17.  
  18. HEADERS  += mainwindow.h
  19.  
  20. FORMS    += \
  21.     ../../../../../IBO_win03_1/mainwindow.ui \
  22.     IBO_win03_1/mainwindow.ui
To copy to clipboard, switch view to plain text mode