Program: 81013
Project: 81013
Buggy source:
public void loadProgramSettings(){
  javax.swing.SwingUtilities.invokeLater(new Runnable(){
    @Override public void run(){
      JTFEmail.setText(PreferenceHandler.getStringPreference(Preference.TYPES.EMAIL));
      JCBExpo.setSelectedIndex(getIndexOfEvent(PreferenceHandler.getStringPreference(Preference.TYPES.EVENT)));
      JCBCheckWebsite.setSelected(PreferenceHandler.getBooleanPreference(Preference.TYPES.CHECK_PAX));
      JCBCheckShowclix.setSelected(PreferenceHandler.getBooleanPreference(Preference.TYPES.CHECK_SHOWCLIX));
      JCBCheckTwitter.setSelected(TwitterReader.isInitialized() ? PreferenceHandler.getBooleanPreference(Preference.TYPES.CHECK_TWITTER) : false);
      JCBCheckTwitter.setEnabled(TwitterReader.isInitialized());
      JLTwitterDisabled.setVisible(!TwitterReader.isInitialized());
      JCBPlayAlarm.setSelected(PreferenceHandler.getBooleanPreference(Preference.TYPES.PLAY_ALARM));
      JSCheckTime.setValue(PreferenceHandler.getIntegerPreference(Preference.TYPES.REFRESHTIME));
      if (!JCBCheckWebsite.isSelected() && !JCBCheckShowclix.isSelected() && !JCBCheckTwitter.isSelected()) {
        JBStart.setEnabled(false);
      }
      java.awt.Dimension d=JTFCellNum.getSize();
      String cellnum=PreferenceHandler.getStringPreference(Preference.TYPES.CELLNUM);
      if (cellnum.contains("String_Node_Str")) {
        System.out.println("String_Node_Str" + cellnum);
        String[] specificNumbers=cellnum.replaceAll("String_Node_Str","String_Node_Str").split("String_Node_Str");
        JCBCarrier.setSelectedIndex(Setup.getIndexOfProvider(Email.getProvider(specificNumbers[0].substring(specificNumbers[0].indexOf("String_Node_Str")))));
        if (Email.getProvider(specificNumbers[0].substring(specificNumbers[0].indexOf("String_Node_Str"))).equals("String_Node_Str")) {
          JTFCellNum.setText(specificNumbers[0].trim());
        }
 else {
          JTFCellNum.setText(specificNumbers[0].substring(0,specificNumbers[0].indexOf("String_Node_Str")).trim());
        }
        JTFCellNum.setCaretPosition(0);
        for (int a=1; a < specificNumbers.length; a++) {
          System.out.println("String_Node_Str" + a + "String_Node_Str"+ specificNumbers[a]);
          addPhonePanel(new ExtraPhonePanel(Setup.this,Email.splitEmail(specificNumbers[a])[0].trim(),Email.splitEmail(specificNumbers[a])[1].trim()));
        }
      }
 else {
        System.out.println("String_Node_Str");
        JTFCellNum.setText(cellnum);
        JCBCarrier.setSelectedIndex(Setup.getIndexOfProvider(Email.getProvider(cellnum.substring(cellnum.indexOf("String_Node_Str")))));
      }
      JTFCellNum.setSize(d);
    }
  }
);
}

Fixed version (ground truth):
public void loadProgramSettings(){
  javax.swing.SwingUtilities.invokeLater(new Runnable(){
    @Override public void run(){
      JTFEmail.setText(PreferenceHandler.getStringPreference(Preference.TYPES.EMAIL));
      JCBExpo.setSelectedIndex(getIndexOfEvent(PreferenceHandler.getStringPreference(Preference.TYPES.EVENT)));
      if (PreferenceHandler.getPreferenceObject(Preference.TYPES.CHECK_PAX).isSavedInPreferences()) {
        JCBCheckWebsite.setSelected(PreferenceHandler.getBooleanPreference(Preference.TYPES.CHECK_PAX));
      }
      if (PreferenceHandler.getPreferenceObject(Preference.TYPES.CHECK_SHOWCLIX).isSavedInPreferences()) {
        JCBCheckShowclix.setSelected(PreferenceHandler.getBooleanPreference(Preference.TYPES.CHECK_SHOWCLIX));
      }
      JCBCheckTwitter.setSelected(TwitterReader.isInitialized() ? PreferenceHandler.getBooleanPreference(Preference.TYPES.CHECK_TWITTER) : false);
      JCBCheckTwitter.setEnabled(TwitterReader.isInitialized());
      JLTwitterDisabled.setVisible(!TwitterReader.isInitialized());
      JCBPlayAlarm.setSelected(PreferenceHandler.getBooleanPreference(Preference.TYPES.PLAY_ALARM));
      JSCheckTime.setValue(PreferenceHandler.getIntegerPreference(Preference.TYPES.REFRESHTIME));
      if (!JCBCheckWebsite.isSelected() && !JCBCheckShowclix.isSelected() && !JCBCheckTwitter.isSelected()) {
        JBStart.setEnabled(false);
      }
      java.awt.Dimension d=JTFCellNum.getSize();
      String cellnum=PreferenceHandler.getStringPreference(Preference.TYPES.CELLNUM);
      if (cellnum == null) {
        System.out.println("String_Node_Str");
      }
 else       if (cellnum.contains("String_Node_Str")) {
        System.out.println("String_Node_Str" + cellnum);
        String[] specificNumbers=cellnum.replaceAll("String_Node_Str","String_Node_Str").split("String_Node_Str");
        JCBCarrier.setSelectedIndex(Setup.getIndexOfProvider(Email.getProvider(specificNumbers[0].substring(specificNumbers[0].indexOf("String_Node_Str")))));
        if (Email.getProvider(specificNumbers[0].substring(specificNumbers[0].indexOf("String_Node_Str"))).equals("String_Node_Str")) {
          JTFCellNum.setText(specificNumbers[0].trim());
        }
 else {
          JTFCellNum.setText(specificNumbers[0].substring(0,specificNumbers[0].indexOf("String_Node_Str")).trim());
        }
        JTFCellNum.setCaretPosition(0);
        for (int a=1; a < specificNumbers.length; a++) {
          System.out.println("String_Node_Str" + a + "String_Node_Str"+ specificNumbers[a]);
          addPhonePanel(new ExtraPhonePanel(Setup.this,Email.splitEmail(specificNumbers[a])[0].trim(),Email.splitEmail(specificNumbers[a])[1].trim()));
        }
      }
 else {
        System.out.println("String_Node_Str");
        if (cellnum.contains("String_Node_Str")) {
          JCBCarrier.setSelectedIndex(Setup.getIndexOfProvider(Email.getProvider(cellnum.substring(cellnum.indexOf("String_Node_Str")))));
          if (JCBCarrier.getSelectedIndex() != 6) {
            JTFCellNum.setText(cellnum.substring(0,cellnum.indexOf("String_Node_Str")).trim());
          }
 else {
            JTFCellNum.setText(cellnum.trim());
          }
          JTFCellNum.setCaretPosition(0);
        }
      }
      JTFCellNum.setSize(d);
    }
  }
);
}