Unable to start yum

[Kaplan, Andrew H.]

I was going to use yum to update a software package on Fedora Core 5, and I was
confronted with the following error: 

Component: Software Manager
Summary: TB9f78d0ec main.py:244:executedatabaseError: database disk image is
malformed

Traceback (most recent call last):
File "/usr/sbin/pirut", line 363, in ?
main()
File "/usr/sbin/pirut", line 359, in main
pm.run()
File "/usr/sbin/pirut", line 286, in run
self.doRefresh()
File "/usr/sbin/pirut", line 297, in doRefresh
self.reposSetup(pbar)
File "/usr/lib/python2.4/site-packages/pirut/__init__.py", line 151, in
reposSetup
self.doSackSetup()
File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 294, in
doSackSetup
self.pkgSack.excludeArchs(archlist)
File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 496, in
excludeArchs
cur.execute(querystring)
File "/usr/lib/python2.4/site-packages/sqlite/main.py", line 244, in execute
self.rs = self.con.db.execute(SQL)
DatabaseError: database disk image is malformed

Local variables in innermost frame:
self: <sqlite.main.Cursor instance at 0xb6d8ae8c>
parms: ()
SQL: select * from packages WHERE arch != "i686" AND arch != "i586" AND arch !=
"i486" AND arch != "i386" AND arch != "noarch"

What is the cause of this, and how do I fix it? Thanks.

 

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