Bug 296565 Make group creation an advanced option in the folder
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/WizardNewGroupMainPage.java
IDEWorkbenchMessages.WizardNewGroupCreationPage_errorTitle,
														null, 
														((CoreException) e
																.getCause())
																.getStatus());
									} else {
										IDEWorkbenchPlugin
												.log(
														getClass(),
														"createNewGroup()", e.getCause()); 
										MessageDialog
												.openError(
														getContainer()
																.getShell(),
														IDEWorkbenchMessages.WizardNewGroupCreationPage_internalErrorTitle,
														NLS
																.bind(
																		IDEWorkbenchMessages.WizardNewGroup_internalError,
																		e
																				.getCause()
																				.getMessage()));
									}
								}
							});
				}
			}
		};
		try {
			getContainer().run(true, true, op);
		} catch (InterruptedException e) {