[Zope] Re-Installing Zope

[Zope@Stylus]

Hi all,
My machine configuration is Mandrake Linux-8.0 ,Postgresql-7.2
I had installed Zope-2.5.1 on my machine and was doing testing when
apparently the server crashed.When i try to start Zope now I get an error
message.
:

2003-02-18T04:32:13 PANIC(300) z2 Startup exception
Traceback (innermost last):
  File /Users/zope/Zope-2.5.1/z2.py, line 497, in ?
  File <string>, line 1, in ?
  File /Users/zope/Zope-2.5.1/lib/python/Zope/__init__.py, line 22, in ?
  File /Users/zope/Zope-2.5.1/lib/python/OFS/Application.py, line 18, in ?
  File /Users/zope/Zope-2.5.1/lib/python/OFS/Folder.py, line 29, in ?
NameError: name 'Role' is not defined

How do u suggest I go about resolving this problem?It looks like Zope is not
able to find its startup files.
Is there some error here.Could you please help me in resolving this issue.
If I wanted to reinstall zope without losing the work that has been done so
far how would u suggest I go about it.
Please advice.I know that the Data.fs file contains all the data .Is it
enough that I copy the Data.fs file into a separate location and re-install
Zope and then replace the Data.fs file in Zope-2.5.1 .
Please advice me how I should go about it.
Thanks for all help in advance.

Best regards
John Kunchandy


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