Bug 114648 export file system/archive wizard initally has error when no selection seeded
Make sure nothing is selected in your Navigator or Package Explorer. File > Import/Export Select Archive or File System BUG: there is initially an error - There are no resources currently selected for export. There should not initially be an error in these wizards.
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/WizardExportResourcesPage.java
((GridLayout) parent.getLayout()).numColumns++;
        Button button = new Button(parent, SWT.PUSH);
        GridData buttonData = new GridData(GridData.FILL_HORIZONTAL);
        button.setLayoutData(buttonData);
        button.setData(new Integer(id));
        button.setText(label);
        button.setFont(parent.getFont());
        if (defaultButton) {
            Shell shell = parent.getShell();
            if (shell != null) {
                shell.setDefaultButton(button);
            }
            button.setFocus();
        }
        button.setFont(parent.getFont());
        setButtonLayoutData(button);
        return button;
    }
    /**
     * Creates the buttons for selecting specific types or selecting all or none of the
     * elements.
     *
     * @param parent the parent control
     */
    protected final void createButtonsGroup(Composite parent) {
        Font font = parent.getFont();
        
        Composite buttonComposite = new Composite(parent, SWT.NONE);
        buttonComposite.setFont(parent.getFont());
        GridLayout layout = new GridLayout();