I received the following traceback when trying to upgrade my system from
6.2:

Traceback (innermost last):
  File "/usr/bin/anaconda", line 423, in ?
    intf.run(todo, test = test)
  File "/usr/lib/anaconda/text.py", line 1000, in run
    rc = apply (step[1](), (dir,) + step[2])
  File "/usr/lib/anaconda/text.py", line 265, in __call__
    todo.upgradeFindPackages (root)
  File "/usr/lib/anaconda/todo.py", line 912, in upgradeFindPackages
    rec = db.findbyname (package.name)
rpm.error: error reading from database

ToDo object:
(itodo
ToDo
p1
(dp2
S'method'
p3
(iimage
CdromInstallMethod
p4
(dp5
S'progressWindow'
p6