2004-03-24T18:39:05 ERROR(200) ZODB Failed to mount database. psycopg.ProgrammingError (ERROR:  current transaction is aborted, queries ignored until end of transaction block

SELECT class_name, mapper_name FROM classification WHERE objoid = '1')
Traceback (most recent call last):
  File "/usr/local/zope270/lib/python/Products/ZODBMountPoint/Mount.py", line 88, in _getOrOpenObject
    obj = self._traverseToMountedRoot(root, parent)
  File "/usr/local/zope270/lib/python/Products/ZODBMountPoint/MountedObject.py", line 182, in _traverseToMountedRoot
    obj = obj.unrestrictedTraverse(real_path)
  File "/usr/local/zope270/lib/python/Products/Ape/lib/apelib/zodb3/connection.py", line 322, in setstate
    p, serial = self._storage.load(oid, self._version)
  File "/usr/local/zope270/lib/python/Products/Ape/lib/apelib/zodb3/storage.py", line 97, in load
    event, classification, state, hash_value = self._gwio.load(oid)
  File "/usr/local/zope270/lib/python/Products/Ape/lib/apelib/core/io.py", line 94, in load
    classification = self.classify_state(oid)
  File "/usr/local/zope270/lib/python/Products/Ape/lib/apelib/core/io.py", line 91, in classify_state
    return self.conf.classifier.classify_state(event)
  File "/usr/local/zope270/lib/python/Products/Ape/lib/apelib/zope2/classifier.py", line 121, in classify_state
    classification, serial = self.gateway.load(event)
  File "/usr/local/zope270/lib/python/Products/Ape/lib/apelib/sql/classification.py", line 37, in load
    rows = conn.select(self.table, self.columns, oid=event.oid)
  File "/usr/local/zope270/lib/python/Products/Ape/lib/apelib/sql/dbapi.py", line 115, in select
    return self.execute(sql, filter, fetch=1)
  File "/usr/local/zope270/lib/python/Products/Ape/lib/apelib/sql/dbapi.py", line 258, in execute
    cursor.execute(sql, params)
ProgrammingError: ERROR:  current transaction is aborted, queries ignored until end of transaction block

SELECT class_name, mapper_name FROM classification WHERE objoid = '1'