public String createProject() {
// unlock current project, if there is one
loadPlan.unlockProject();
selectedPlan = new Plan();
selectedPlan.getPlanProperties().setAuthor(user.getFullName());
selectedPlan.getPlanProperties().setPrivateProject(true);
selectedPlan.getPlanProperties().setOwner(user.getUsername());
// We have to prevent the user from navigating to the step 'Load plan'