Get preferred format SQL fails

[anonymous]

We are running

 2008-03-24 11:20:59,966 Trac[api] ERROR: AnnouncementSystem failed.
                 Traceback (most recent call last):
                   File "build/bdist.linux-x86_64/egg/announcerplugin/api.py", line 376, in _real_send
                     distributor.distribute(transport, packages[transport], evt)
                   File "build/bdist.linux-x86_64/egg/announcerplugin/distributors/email_distributor.py", line 157, i
                 n distribute
                     format = self._get_preferred_format(event.realm, name, authenticated)
                   File "build/bdist.linux-x86_64/egg/announcerplugin/distributors/email_distributor.py", line 205, i
                 n _get_preferred_format
                     """, (sid, authenticated, 'announcer_email_format_%s' % realm))
                   File "/usr/local/lib64/python2.5/site-packages/Trac-0.11dev_r6612-py2.5.egg/trac/db/util.py", line
                  50, in execute
                     return self.cursor.execute(sql_escape_percent(sql), args)
                   File "/usr/lib64/python2.5/site-packages/sqlite/main.py", line 255, in execute
                     self.rs = self.con.db.execute(SQL % parms)

[Robert Corsaro]

please give more information

[anonymous]

duplicate of #3447