Traceback (most recent call last):
  File "/home/www/printwiki.org/sycamore_base/Sycamore/request.py", line 739, in run
    self.config.page_front_page).page_name, self)
  File "/home/www/printwiki.org/sycamore_base/Sycamore/action/rss_rc.py", line 152, in execute
    version1=version1, version2=version2))
  File "/home/www/printwiki.org/sycamore_base/Sycamore/wikiaction.py", line 517, in do_diff
    version1))
  File "/home/www/printwiki.org/sycamore_base/Sycamore/Page.py", line 137, in version_number_to_date
    'wiki_id': self.request.config.wiki_id})
  File "/home/www/printwiki.org/sycamore_base/Sycamore/wikidb.py", line 146, in execute
    self.db_cursor.execute(query, args)
  File "/home/www/printwiki.org/sycamore_base/Sycamore/wikidb.py", line 146, in execute
    self.db_cursor.execute(query, args)
  File "/usr/lib/pymodules/python2.6/MySQLdb/cursors.py", line 166, in execute
    self.errorhandler(self, exc, value)
  File "/usr/lib/pymodules/python2.6/MySQLdb/connections.py", line 35, in defaulterrorhandler
    raise errorclass, errorvalue
ProgrammingError: (1064, "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-2' at line 3")