RRC project folders are disappeared

Hi
All of a sudden, project folders (not partial. all of folders) become disappeared. Artifacts are existing. But all folders are invisible. If I click a link in a bread crumb, it does not work.
As far as i can remember, what i do is to export ReqIF including folders, to add administrator right to one account, to add two artifacts in a folder.
We uses RRC 4.0.2. Our server is hosted on private cloud. We do not have Project Admin/Jazz Admin. This symptom is appeared only one project. Another project has no problem.
Does anyone know what kind of operation causes this situation? How to resolve this?
I have read a defect 65769 . So that I am going to check folder caching in the fronting.properties (com.ibm.rdm.fronting.server.folders.cache.enabled) to JazzAdmin.
Thank you in advance
Natsumi
Accepted answer

2 other answers

Our problem is caused by defect 85948. When we used firebug to debug another problem, RootFolderUtil was broken. In order to resolve this, we have to rebuild index.
RootFolderUtil may corrupt folders (since it uses an unvalidated context root supplied by the client request)
https://jazz.net/jazz03/web/projects/Requirements%20Management#action=com.ibm.team.workitem.viewWorkItem&id=85948

Natsumi,
We had a similar problem in RRC v403 where we were not able to see only 100 folders in RRC. Above that number, the folder structure was not visible. However, the artifacts in the folders were still present, accessible and working fine.
This issue was resolved by a patch provided to us. Contact IBM support to get more information on the patch.