[Mailman-Users] Bug in Mailman 2.1.1 - Help

[CARTER Anthony]

Hi,

We have a list that is moderated for all messages. When in the approval
screen, you can view messages by clicking on the message numbers.
However, we have one that when you click it, you get the error given
below:


Bug in Mailman version 2.1.1
We're sorry, we hit a bug!
If you would like to help us identify the problem, please email a copy
of this page to the webmaster for this site with a description of what
happened. Thanks!


Traceback:
Traceback (most recent call last):
  File "/export/spare/home/mailman/scripts/driver", line 87, in run_main
    main()
  File "/export/spare/home/mailman/Mailman/Cgi/admindb.py", line 212, in main
    show_message_requests(mlist, form, msgid)
  File "/export/spare/home/mailman/Mailman/Cgi/admindb.py", line 521, in show_message_requests
    show_post_requests(mlist, id, info, 1, 1, form)
  File "/export/spare/home/mailman/Mailman/Cgi/admindb.py", line 554, in show_post_requests
    msg = readMessage(os.path.join(mm_cfg.DATA_DIR, filename))
  File "/export/spare/home/mailman/Mailman/ListAdmin.py", line 582, in readMessage
    msg = cPickle.load(fp)
UnpicklingError: A load persistent id instruction was encountered,
but no persistent_load function was specified.


Any ideas anyone?

Thanks,
Anthony