500

        Traceback (most recent call last):
  File "/data/project/sigma/cherry/cherryhtml/app.py", line 33, in inner
    return func(*a, **kw)
  File "/data/project/sigma/cherry/cherryhtml/app.py", line 61, in created_py
    tpl, store = CreatedPages(params)()
  File "/mnt/nfs/labstore-secondary-tools-project/sigma/cherry/cherryhtml/created.py", line 20, in __call__
    self.do_query(store.query, cursor)
  File "/mnt/nfs/labstore-secondary-tools-project/sigma/cherry/cherryhtml/created.py", line 109, in do_query
    cur.execute(query.str, query.args)
  File "cymysql/cursors.py", line 133, in cymysql.cursors.Cursor.execute (cymysql/cursors.c:4167)
  File "cymysql/cursors.py", line 35, in cymysql.cursors.Cursor.errorhandler (cymysql/cursors.c:1609)
  File "cymysql/connections.py", line 118, in cymysql.connections.Connection.errorhandler (cymysql/connections.c:4075)
  File "cymysql/cursors.py", line 128, in cymysql.cursors.Cursor.execute (cymysql/cursors.c:3983)
  File "cymysql/cursors.py", line 234, in cymysql.cursors.Cursor._query (cymysql/cursors.c:6037)
  File "cymysql/connections.py", line 341, in cymysql.connections.Connection.query (cymysql/connections.c:8961)
  File "cymysql/packet.pyx", line 274, in cymysql.packet.MySQLResult.__init__ (cymysql/packet.c:5971)
  File "cymysql/packet.pyx", line 66, in cymysql.packet.MysqlPacket.__init__ (cymysql/packet.c:1526)
  File "cymysql/err.py", line 142, in cymysql.err.raise_mysql_exception (cymysql/err.c:1918)
  File "cymysql/err.py", line 138, in cymysql.err._check_mysql_exception (cymysql/err.c:1800)
cymysql.err.InternalError: (1054, "Unknown column 'ar_comment_id' in 'on clause'")