CentOS - Sep 2006 - Anaconda Exception when installing CENTOS 4.2Beta SPARC

Hi.
I'm trying to install CENTOS 4.2Beta for sparc, and i got this exception:


 +------------+ Exception Occurred +-------------+
 |                                               |
 | An unhandled exception has occurred.        # |
 | This is most likely a bug.  Please copy     # |
 | the full text of this exception and file    # |
 | a detailed bug report against anaconda at   # |
 | http://www.centos.org/bugs/                 # |
 |                                             # |
 | Traceback (most recent call last):          # |
 |   File "/usr/bin/anaconda", line 1176, in   # |
 | ?                                           # |
 |     intf.run(id, dispatch, configFileData)  # |
 |   File                                      # |
 | "/local/builder/tmp/anaconda-10.1.1.25//us  # |
 | r/lib/anaconda/text.py", line 510, in run   # |
 |    
 dispatch.gotoNext()                     # |
 |   File                                      # |
 | "/local/builder/tmp/anaconda-10.1.1.25//us  # |
 | r/lib/anaconda/dispatch.py", line 171, in   # |
 | gotoNext                                    # |
 |     self.moveStep()                         # |
 |   File                                      # |
 | "/local/builder/tmp/anaconda-10.1.1.25//us  # |
 | r/lib/anaconda/dispatch.py", line 239, in   # |
 | moveStep                                    # |
 |     rc = apply(func, self.bindArgs(args))   # |
 |   File                                      # |
 | "/local/builder/tmp/anaconda-10.1.1.25//us  # |
 | r/lib/anaconda/packages.py", line 564, in   # |
 | turnOnFilesystems                           # |
 |     partitions.doMetaDeletes(diskset)       # |
 |   File                                      # |
 | "/local/builder/tmp/anaconda-10.1.1.25//us  # |
 | r/lib/anaconda/partitions.py", line 1205,   # |
 | in doMetaDeletes                            # |
 |     lvm.lvremove(delete.name, delete.vg)    # |
 |   File                                      # |
 |                                               |
 | "/local/builder/tmp/anaconda-10.1.1.25//us  # |
 | r/lib/anaconda/lvm.py", line 143, in        # |
 | lvremove                                    # |
 |     raise SystemError, "lvremove failed"    # |
 | SystemError: lvremove failed                # |
 |                                               |
 |        +----+               +-------+         |
 |        | OK |               | Debug |         |
 |        +----+               +-------+         |
 |                                               |
 |                                               |
 +-----------------------------------------------+

What can i do?? is there something wrong with the cd's ?? or   am i doing
somethig i shouldn't do when installing??

I hope someone could help out here.
Thanks.
 		
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