Program: 69882
Project: 69882
Buggy source:
private void generateEnvironment(){
  List<BGArea> tmpAreas=areaManager.loadAreas(psf.getAreaKeys());
  List<BusinessGroup> groups=businessGroupService.loadBusinessGroups(psf.getGroupKeys());
  Set<BGArea> areas=new HashSet<BGArea>();
  areas.addAll(tmpAreas);
  List<BGArea> areaByGroups=areaManager.findBGAreasOfBusinessGroups(groups);
  areas.addAll(areaByGroups);
  role=psf.getRole();
  ICourse course=CourseFactory.loadCourse(ores);
  isGlobalAuthor=false;
  isGuestOnly=false;
  isCoach=false;
  isCourseAdmin=false;
  if (role.equals(PreviewSettingsForm.ROLE_GUEST)) {
    isGuestOnly=true;
  }
 else   if (role.equals(PreviewSettingsForm.ROLE_COURSECOACH)) {
    isCoach=true;
  }
 else   if (role.equals(PreviewSettingsForm.ROLE_COURSEADMIN)) {
    isCourseAdmin=true;
  }
 else   if (role.equals(PreviewSettingsForm.ROLE_GLOBALAUTHOR)) {
    isGlobalAuthor=true;
  }
  final OLATResource courseResource=course.getCourseEnvironment().getCourseGroupManager().getCourseResource();
  final CourseGroupManager cgm=new PreviewCourseGroupManager(courseResource,new ArrayList<BusinessGroup>(groups),new ArrayList<BGArea>(areas),isCoach,isCourseAdmin);
  final UserNodeAuditManager auditman=new PreviewAuditManager();
  final AssessmentManager am=new PreviewAssessmentManager();
  final CoursePropertyManager cpm=new PreviewCoursePropertyManager();
  final Structure runStructure=course.getEditorTreeModel().createStructureForPreview();
  final String title=course.getCourseTitle();
  simCourseEnv=new PreviewCourseEnvironment(title,runStructure,psf.getDate(),course.getCourseFolderContainer(),course.getCourseBaseContainer(),course.getResourceableId(),cpm,cgm,auditman,am);
  simIdentEnv=new IdentityEnvironment();
  simIdentEnv.setRoles(new Roles(false,false,false,isGlobalAuthor,isGuestOnly,false,false));
  final Identity ident=new PreviewIdentity();
  simIdentEnv.setIdentity(ident);
  simIdentEnv.setAttributes(psf.getAttributesMap());
}

Fixed version (ground truth):
private void generateEnvironment(){
  List<BGArea> tmpAreas=areaManager.loadAreas(psf.getAreaKeys());
  List<BusinessGroup> groups=businessGroupService.loadBusinessGroups(psf.getGroupKeys());
  Set<BGArea> areas=new HashSet<BGArea>();
  areas.addAll(tmpAreas);
  List<BGArea> areaByGroups=areaManager.findBGAreasOfBusinessGroups(groups);
  areas.addAll(areaByGroups);
  role=psf.getRole();
  ICourse course=CourseFactory.loadCourse(ores);
  isGlobalAuthor=false;
  isGuestOnly=false;
  isCoach=false;
  isCourseAdmin=false;
  if (role.equals(PreviewSettingsForm.ROLE_GUEST)) {
    isGuestOnly=true;
  }
 else   if (role.equals(PreviewSettingsForm.ROLE_COURSECOACH)) {
    isCoach=true;
  }
 else   if (role.equals(PreviewSettingsForm.ROLE_COURSEADMIN)) {
    isCourseAdmin=true;
  }
 else   if (role.equals(PreviewSettingsForm.ROLE_GLOBALAUTHOR)) {
    isGlobalAuthor=true;
  }
  final OLATResource courseResource=course.getCourseEnvironment().getCourseGroupManager().getCourseResource();
  final CourseGroupManager cgm=new PreviewCourseGroupManager(courseResource,new ArrayList<BusinessGroup>(groups),new ArrayList<BGArea>(areas),isCoach,isCourseAdmin);
  final UserNodeAuditManager auditman=new PreviewAuditManager();
  final AssessmentManager am=new PreviewAssessmentManager();
  final CoursePropertyManager cpm=new PreviewCoursePropertyManager();
  final Structure runStructure=course.getEditorTreeModel().createStructureForPreview();
  final String title=course.getCourseTitle();
  final CourseConfig courseConfig=course.getCourseEnvironment().getCourseConfig();
  simCourseEnv=new PreviewCourseEnvironment(title,runStructure,psf.getDate(),course.getCourseFolderContainer(),course.getCourseBaseContainer(),course.getResourceableId(),cpm,cgm,auditman,am,courseConfig);
  simIdentEnv=new IdentityEnvironment();
  simIdentEnv.setRoles(new Roles(false,false,false,isGlobalAuthor,isGuestOnly,false,false));
  final Identity ident=new PreviewIdentity();
  simIdentEnv.setIdentity(ident);
  simIdentEnv.setAttributes(psf.getAttributesMap());
}