Program: 69310
Project: 69310
Buggy source:
public MembersListDisplayRunController(UserRequest ureq,WindowControl wControl,Translator translator,CourseEnvironment courseEnv,BusinessGroup businessGroup,List<Identity> owners,List<Identity> coaches,List<Identity> participants,List<Identity> waiting,boolean canEmail,boolean canDownload,boolean deduplicateList,boolean showOwners,boolean showCoaches,boolean showParticipants,boolean showWaiting,boolean editable){
  super(ureq,wControl);
  Translator fallback=userManager.getPropertyHandlerTranslator(getTranslator());
  setTranslator(Util.createPackageTranslator(translator,fallback,getLocale()));
  mainVC=createVelocityContainer("String_Node_Str");
  this.courseEnv=courseEnv;
  this.businessGroup=businessGroup;
  this.repoEntry=courseEnv != null ? courseEnv.getCourseGroupManager().getCourseEntry() : null;
  userPropertyHandlers=userManager.getUserPropertyHandlersFor(USER_PROPS_ID,false);
  this.owners=owners;
  this.coaches=coaches;
  this.participants=participants;
  this.waiting=waiting;
  this.showOwners=showOwners;
  this.showCoaches=showCoaches;
  this.showParticipants=showParticipants;
  this.showWaiting=showWaiting;
  if (canEmail) {
    allEmailLink=LinkFactory.createLink(null,"String_Node_Str","String_Node_Str","String_Node_Str",getTranslator(),mainVC,this,Link.BUTTON);
    allEmailLink.setIconLeftCSS("String_Node_Str");
  }
  IdentityEnvironment idEnv=ureq.getUserSession().getIdentityEnvironment();
  Identity ownId=idEnv.getIdentity();
  Roles roles=idEnv.getRoles();
  if (editable && (roles.isOLATAdmin() || roles.isGroupManager() || owners.contains(ownId)|| coaches.contains(ownId)|| (canDownload && !waiting.contains(ownId)))) {
    downloadLink=LinkFactory.createLink(null,"String_Node_Str","String_Node_Str","String_Node_Str",getTranslator(),mainVC,this,Link.BUTTON);
    downloadLink.setIconLeftCSS("String_Node_Str");
    printLink=LinkFactory.createButton("String_Node_Str",mainVC,this);
    printLink.setIconLeftCSS("String_Node_Str");
    printLink.setPopup(new LinkPopupSettings(700,500,"String_Node_Str"));
  }
  Comparator<Identity> idComparator=new IdentityComparator();
  Collections.sort(owners,idComparator);
  ownerList=convertIdentitiesToMembers(owners);
  Collections.sort(coaches,idComparator);
  coachList=convertIdentitiesToMembers(coaches);
  Collections.sort(participants,idComparator);
  participantList=convertIdentitiesToMembers(participants);
  Collections.sort(waiting,idComparator);
  waitingtList=convertIdentitiesToMembers(waiting);
  Set<MemberView> duplicateCatcher=new HashSet<>();
  boolean userLastTimeVisible=cacheGroupMemberships(ureq);
  if (showOwners && !owners.isEmpty()) {
    ownersTableCtrl=new MembersTableController(ureq,wControl,owners,duplicateCatcher,recentLaunches,initialLaunches,userPropertyHandlers,groupmemberships,repoEntry,businessGroup,courseEnv,deduplicateList,getTranslator(),editable,canEmail,userLastTimeVisible);
    listenTo(ownersTableCtrl);
    mainVC.put("String_Node_Str",ownersTableCtrl.getInitialComponent());
  }
  if (showCoaches && !coaches.isEmpty()) {
    coachesTableCtrl=new MembersTableController(ureq,wControl,coaches,duplicateCatcher,recentLaunches,initialLaunches,userPropertyHandlers,groupmemberships,repoEntry,businessGroup,courseEnv,deduplicateList,getTranslator(),editable,canEmail,userLastTimeVisible);
    listenTo(coachesTableCtrl);
    mainVC.put("String_Node_Str",coachesTableCtrl.getInitialComponent());
  }
  if (showParticipants && !participants.isEmpty()) {
    participantsTableCtrl=new MembersTableController(ureq,wControl,participants,duplicateCatcher,recentLaunches,initialLaunches,userPropertyHandlers,groupmemberships,repoEntry,businessGroup,courseEnv,deduplicateList,getTranslator(),editable,canEmail,userLastTimeVisible);
    listenTo(participantsTableCtrl);
    mainVC.put("String_Node_Str",participantsTableCtrl.getInitialComponent());
  }
  if (showWaiting && !waiting.isEmpty()) {
    waitingTableCtrl=new MembersTableController(ureq,wControl,waiting,duplicateCatcher,recentLaunches,initialLaunches,userPropertyHandlers,groupmemberships,repoEntry,businessGroup,courseEnv,deduplicateList,getTranslator(),editable,canEmail,userLastTimeVisible);
    listenTo(waitingTableCtrl);
    mainVC.put("String_Node_Str",waitingTableCtrl.getInitialComponent());
  }
  putInitialPanel(mainVC);
}

Fixed version (ground truth):
public MembersListDisplayRunController(UserRequest ureq,WindowControl wControl,Translator translator,CourseEnvironment courseEnv,BusinessGroup businessGroup,List<Identity> owners,List<Identity> coaches,List<Identity> participants,List<Identity> waiting,boolean canEmail,boolean canDownload,boolean deduplicateList,boolean showOwners,boolean showCoaches,boolean showParticipants,boolean showWaiting,boolean editable){
  super(ureq,wControl);
  Translator fallback=userManager.getPropertyHandlerTranslator(getTranslator());
  setTranslator(Util.createPackageTranslator(translator,fallback,getLocale()));
  mainVC=createVelocityContainer("String_Node_Str");
  this.courseEnv=courseEnv;
  this.businessGroup=businessGroup;
  this.repoEntry=courseEnv != null ? courseEnv.getCourseGroupManager().getCourseEntry() : null;
  Roles roles=ureq.getUserSession().getRoles();
  boolean isAdministrativeUser=securityModule.isUserAllowedAdminProps(roles);
  userPropertyHandlers=userManager.getUserPropertyHandlersFor(MembersDisplayRunController.USER_PROPS_LIST_ID,isAdministrativeUser);
  this.owners=owners;
  this.coaches=coaches;
  this.participants=participants;
  this.waiting=waiting;
  this.showOwners=showOwners;
  this.showCoaches=showCoaches;
  this.showParticipants=showParticipants;
  this.showWaiting=showWaiting;
  if (canEmail) {
    allEmailLink=LinkFactory.createLink(null,"String_Node_Str","String_Node_Str","String_Node_Str",getTranslator(),mainVC,this,Link.BUTTON);
    allEmailLink.setIconLeftCSS("String_Node_Str");
  }
  IdentityEnvironment idEnv=ureq.getUserSession().getIdentityEnvironment();
  Identity ownId=idEnv.getIdentity();
  if (editable && (roles.isOLATAdmin() || roles.isGroupManager() || owners.contains(ownId)|| coaches.contains(ownId)|| (canDownload && !waiting.contains(ownId)))) {
    downloadLink=LinkFactory.createLink(null,"String_Node_Str","String_Node_Str","String_Node_Str",getTranslator(),mainVC,this,Link.BUTTON);
    downloadLink.setIconLeftCSS("String_Node_Str");
    printLink=LinkFactory.createButton("String_Node_Str",mainVC,this);
    printLink.setIconLeftCSS("String_Node_Str");
    printLink.setPopup(new LinkPopupSettings(700,500,"String_Node_Str"));
  }
  Comparator<Identity> idComparator=new IdentityComparator();
  Collections.sort(owners,idComparator);
  ownerList=convertIdentitiesToMembers(owners);
  Collections.sort(coaches,idComparator);
  coachList=convertIdentitiesToMembers(coaches);
  Collections.sort(participants,idComparator);
  participantList=convertIdentitiesToMembers(participants);
  Collections.sort(waiting,idComparator);
  waitingtList=convertIdentitiesToMembers(waiting);
  Set<MemberView> duplicateCatcher=new HashSet<>();
  boolean userLastTimeVisible=cacheGroupMemberships(ureq);
  if (showOwners && !owners.isEmpty()) {
    ownersTableCtrl=new MembersTableController(ureq,wControl,owners,duplicateCatcher,recentLaunches,initialLaunches,userPropertyHandlers,groupmemberships,repoEntry,businessGroup,courseEnv,deduplicateList,getTranslator(),editable,canEmail,userLastTimeVisible);
    listenTo(ownersTableCtrl);
    mainVC.put("String_Node_Str",ownersTableCtrl.getInitialComponent());
  }
  if (showCoaches && !coaches.isEmpty()) {
    coachesTableCtrl=new MembersTableController(ureq,wControl,coaches,duplicateCatcher,recentLaunches,initialLaunches,userPropertyHandlers,groupmemberships,repoEntry,businessGroup,courseEnv,deduplicateList,getTranslator(),editable,canEmail,userLastTimeVisible);
    listenTo(coachesTableCtrl);
    mainVC.put("String_Node_Str",coachesTableCtrl.getInitialComponent());
  }
  if (showParticipants && !participants.isEmpty()) {
    participantsTableCtrl=new MembersTableController(ureq,wControl,participants,duplicateCatcher,recentLaunches,initialLaunches,userPropertyHandlers,groupmemberships,repoEntry,businessGroup,courseEnv,deduplicateList,getTranslator(),editable,canEmail,userLastTimeVisible);
    listenTo(participantsTableCtrl);
    mainVC.put("String_Node_Str",participantsTableCtrl.getInitialComponent());
  }
  if (showWaiting && !waiting.isEmpty()) {
    waitingTableCtrl=new MembersTableController(ureq,wControl,waiting,duplicateCatcher,recentLaunches,initialLaunches,userPropertyHandlers,groupmemberships,repoEntry,businessGroup,courseEnv,deduplicateList,getTranslator(),editable,canEmail,userLastTimeVisible);
    listenTo(waitingTableCtrl);
    mainVC.put("String_Node_Str",waitingTableCtrl.getInitialComponent());
  }
  putInitialPanel(mainVC);
}