While running the expert install from a hard disk, the install crashes while reading in packages.

Traceback (innermost last):
  File "/usr/bin/anaconda.real", line 438, in ?
    intf.run(todo, test = test)
  File 
"/var/tmp/anaconda-7.0.1//usr/lib/anaconda/text.py", line 1030, in run
  File 
"/var/tmp/anaconda-7.0.1//usr/lib/anaconda/textw/packages_text.py", line 33, in __call__
  File 
"/var/tmp/anaconda-7.0.1//usr/lib/anaconda/todo.py", line 539, in getCompsList
  File "/var/tmp/anaconda-7.0.1//usr/lib/anaconda/harddrive.py", 
line 43, in readComps
  File "/var/tmp/anaconda-7.0.1//usr/lib/anaconda/comps.py", line 459, in __init__
  File 
"/var/tmp/anaconda-7.0.1//usr/lib/anaconda/comps.py", line 360, in readCompsFile
TypeError: comp file version 3 or 4 expected

Local 
variables in innermost frame:
arch2: i586