com.pearson.ltg.cat.service.OrganizationService.com.pearson.ltg.cat.service.OrganizationService : Error while getting teacher names By Class Ids com.pearson.ltg.cat.exception.ServiceException: RumbaSectionServiceImpl getTeacherDetailsByPiIds() : error occurs while retreiving the Student details.org.springframework.web.client.HttpClientErrorException: 401 Unauthorized