Program: 70006
Project: 70006
Buggy source:
private void init(UserRequest ureq,Identity statementOwner,BusinessGroup group,boolean mainLayout){
  setTranslator(UserManager.getInstance().getPropertyHandlerTranslator(getTranslator()));
  userDataVC=createVelocityContainer("String_Node_Str");
  if (efficiencyStatement != null) {
    userDataVC.contextPut("String_Node_Str",efficiencyStatement.getCourseTitle() + "String_Node_Str" + efficiencyStatement.getCourseRepoEntryKey().toString()+ "String_Node_Str");
    courseLink=LinkFactory.createButton("String_Node_Str",userDataVC,this);
    courseLink.setCustomEnabledLinkCSS("String_Node_Str");
    userDataVC.put("String_Node_Str",courseLink);
    userDataVC.contextPut("String_Node_Str",StringHelper.formatLocaleDateTime(efficiencyStatement.getLastUpdated(),ureq.getLocale()));
  }
  userDataVC.contextPut("String_Node_Str",statementOwner.getUser());
  userDataVC.contextPut("String_Node_Str",statementOwner.getName());
  Roles roles=ureq.getUserSession().getRoles();
  boolean isAdministrativeUser=(roles.isAuthor() || roles.isGroupManager() || roles.isUserManager()|| roles.isOLATAdmin());
  List<UserPropertyHandler> userPropertyHandlers=UserManager.getInstance().getUserPropertyHandlersFor(usageIdentifyer,isAdministrativeUser);
  userDataVC.contextPut("String_Node_Str",userPropertyHandlers);
  if (!getIdentity().equals(statementOwner)) {
    homeLink=LinkFactory.createButton("String_Node_Str",userDataVC,this);
    homeLink.setCustomEnabledLinkCSS("String_Node_Str");
    userDataVC.put("String_Node_Str",homeLink);
    contactLink=LinkFactory.createButton("String_Node_Str",userDataVC,this);
    contactLink.setCustomEnabledLinkCSS("String_Node_Str");
    userDataVC.put("String_Node_Str",contactLink);
  }
  if (group != null) {
    userDataVC.contextPut("String_Node_Str",group.getName());
    groupLink=LinkFactory.createButton("String_Node_Str",userDataVC,this);
    groupLink.setCustomEnabledLinkCSS("String_Node_Str");
    userDataVC.put("String_Node_Str",groupLink);
  }
  if (efficiencyStatement != null) {
    Controller identityAssessmentCtr=new IdentityAssessmentOverviewController(ureq,getWindowControl(),efficiencyStatement.getAssessmentNodes());
    listenTo(identityAssessmentCtr);
    userDataVC.put("String_Node_Str",identityAssessmentCtr.getInitialComponent());
    if (statementOwner.equals(ureq.getIdentity())) {
      portfolioModule=(PortfolioModule)CoreSpringFactory.getBean("String_Node_Str");
      EPArtefactHandler<?> artHandler=portfolioModule.getArtefactHandler(EfficiencyStatementArtefact.ARTEFACT_TYPE);
      if (portfolioModule.isEnabled() && artHandler != null && artHandler.isEnabled()) {
        collectArtefactLink=LinkFactory.createCustomLink("String_Node_Str","String_Node_Str","String_Node_Str",Link.NONTRANSLATED,userDataVC,this);
        collectArtefactLink.setCustomEnabledLinkCSS("String_Node_Str");
      }
    }
  }
 else {
    String text=translate("String_Node_Str");
    Controller messageCtr=MessageUIFactory.createSimpleMessage(ureq,getWindowControl(),text);
    listenTo(messageCtr);
    userDataVC.put("String_Node_Str",messageCtr.getInitialComponent());
  }
  if (mainLayout) {
    LayoutMain3ColsController layoutCtr=new LayoutMain3ColsController(ureq,getWindowControl(),null,null,userDataVC,null);
    listenTo(layoutCtr);
    putInitialPanel(layoutCtr.getInitialComponent());
  }
 else {
    putInitialPanel(userDataVC);
  }
}

Fixed version (ground truth):
private void init(UserRequest ureq,Identity statementOwner,RepositoryEntry courseRepo,BusinessGroup group,boolean links,boolean mainLayout){
  setTranslator(UserManager.getInstance().getPropertyHandlerTranslator(getTranslator()));
  userDataVC=createVelocityContainer("String_Node_Str");
  if (efficiencyStatement != null) {
    userDataVC.contextPut("String_Node_Str",efficiencyStatement.getCourseTitle());
    userDataVC.contextPut("String_Node_Str",StringHelper.formatLocaleDateTime(efficiencyStatement.getLastUpdated(),ureq.getLocale()));
  }
 else   if (courseRepo != null) {
    userDataVC.contextPut("String_Node_Str",courseRepo.getDisplayname());
  }
  if (courseRepoKey != null && links) {
    courseLink=LinkFactory.createButton("String_Node_Str",userDataVC,this);
    courseLink.setCustomEnabledLinkCSS("String_Node_Str");
    userDataVC.put("String_Node_Str",courseLink);
  }
  userDataVC.contextPut("String_Node_Str",statementOwner.getUser());
  userDataVC.contextPut("String_Node_Str",statementOwner.getName());
  Roles roles=ureq.getUserSession().getRoles();
  boolean isAdministrativeUser=(roles.isAuthor() || roles.isGroupManager() || roles.isUserManager()|| roles.isOLATAdmin());
  List<UserPropertyHandler> userPropertyHandlers=UserManager.getInstance().getUserPropertyHandlersFor(usageIdentifyer,isAdministrativeUser);
  userDataVC.contextPut("String_Node_Str",userPropertyHandlers);
  if (!getIdentity().equals(statementOwner) && links) {
    homeLink=LinkFactory.createButton("String_Node_Str",userDataVC,this);
    homeLink.setCustomEnabledLinkCSS("String_Node_Str");
    userDataVC.put("String_Node_Str",homeLink);
    contactLink=LinkFactory.createButton("String_Node_Str",userDataVC,this);
    contactLink.setCustomEnabledLinkCSS("String_Node_Str");
    userDataVC.put("String_Node_Str",contactLink);
  }
  if (group != null) {
    userDataVC.contextPut("String_Node_Str",group.getName());
    if (links) {
      groupLink=LinkFactory.createButton("String_Node_Str",userDataVC,this);
      groupLink.setCustomEnabledLinkCSS("String_Node_Str");
      userDataVC.put("String_Node_Str",groupLink);
    }
  }
  if (efficiencyStatement != null) {
    Controller identityAssessmentCtr=new IdentityAssessmentOverviewController(ureq,getWindowControl(),efficiencyStatement.getAssessmentNodes());
    listenTo(identityAssessmentCtr);
    userDataVC.put("String_Node_Str",identityAssessmentCtr.getInitialComponent());
    if (statementOwner.equals(ureq.getIdentity())) {
      portfolioModule=(PortfolioModule)CoreSpringFactory.getBean("String_Node_Str");
      EPArtefactHandler<?> artHandler=portfolioModule.getArtefactHandler(EfficiencyStatementArtefact.ARTEFACT_TYPE);
      if (portfolioModule.isEnabled() && artHandler != null && artHandler.isEnabled()) {
        collectArtefactLink=LinkFactory.createCustomLink("String_Node_Str","String_Node_Str","String_Node_Str",Link.NONTRANSLATED,userDataVC,this);
        collectArtefactLink.setCustomEnabledLinkCSS("String_Node_Str");
      }
    }
  }
 else {
    String text=translate("String_Node_Str");
    Controller messageCtr=MessageUIFactory.createSimpleMessage(ureq,getWindowControl(),text);
    listenTo(messageCtr);
    userDataVC.put("String_Node_Str",messageCtr.getInitialComponent());
  }
  if (mainLayout) {
    LayoutMain3ColsController layoutCtr=new LayoutMain3ColsController(ureq,getWindowControl(),null,null,userDataVC,null);
    listenTo(layoutCtr);
    putInitialPanel(layoutCtr.getInitialComponent());
  }
 else {
    putInitialPanel(userDataVC);
  }
}