Execution of command 'appcenter/query' has failed:

Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.7/univention/management/console/base.py", line 282, in execute
    function(self, request)
  File "/usr/lib/pymodules/python2.7/univention/management/console/modules/appcenter/__init__.py", line 81, in _decorated
    return func(self, request, *a, **kwargs)
  File "/usr/lib/pymodules/python2.7/univention/management/console/modules/decorators.py", line 316, in _response
    result = _multi_response(self, request)
  File "/usr/lib/pymodules/python2.7/univention/management/console/modules/decorators.py", line 460, in _response
    return list(function(self, iterator, *nones))
  File "/usr/lib/pymodules/python2.7/univention/management/console/modules/decorators.py", line 282, in _fake_func
    yield function(self, *args)
  File "/usr/lib/pymodules/python2.7/univention/management/console/modules/appcenter/__init__.py", line 126, in query
    hosts = util.get_all_hosts()
  File "/usr/lib/pymodules/python2.7/univention/management/console/modules/appcenter/util.py", line 110, in get_all_hosts
    lo = get_machine_connection(write=False)[0]
  File "/usr/lib/pymodules/python2.7/univention/management/console/modules/appcenter/decorators.py", line 85, in get_machine_connection
    return connection()
  File "/usr/lib/pymodules/python2.7/univention/management/console/modules/appcenter/decorators.py", line 97, in _decorated
    conn = connection()
  File "/usr/lib/pymodules/python2.7/univention/management/console/modules/appcenter/decorators.py", line 74, in connection
    return _getMachineConnection(**kwargs)
  File "/usr/lib/pymodules/python2.7/univention/admin/uldap.py", line 75, in getMachineConnection
    lo=univention.uldap.getMachineConnection(start_tls, decode_ignorelist=decode_ignorelist, ldap_master=ldap_master)
  File "/usr/lib/pymodules/python2.7/univention/uldap.py", line 106, in getMachineConnection
    lo=access(host=ucr['ldap/server/name'], port=port, base=ucr['ldap/base'], binddn=ucr['ldap/hostdn'], bindpw=bindpw, start_tls=start_tls, decode_ignorelist=decode_ignorelist, reconnect=reconnect)
  File "/usr/lib/pymodules/python2.7/univention/uldap.py", line 177, in __init__
    self.__open(ca_certfile)
  File "/usr/lib/pymodules/python2.7/univention/uldap.py", line 219, in __open
    self.lo.simple_bind_s(self.binddn, self.__encode_pwd(self.bindpw))
  File "/usr/lib/python2.7/dist-packages/ldap/ldapobject.py", line 879, in simple_bind_s
    res = self._apply_method_s(SimpleLDAPObject.simple_bind_s,*args,**kwargs)
  File "/usr/lib/python2.7/dist-packages/ldap/ldapobject.py", line 860, in _apply_method_s
    return func(self,*args,**kwargs)
  File "/usr/lib/python2.7/dist-packages/ldap/ldapobject.py", line 215, in simple_bind_s
    resp_type, resp_data, resp_msgid, resp_ctrls = self.result3(msgid,all=1,timeout=self.timeout)
  File "/usr/lib/python2.7/dist-packages/ldap/ldapobject.py", line 476, in result3
    resp_ctrl_classes=resp_ctrl_classes
  File "/usr/lib/python2.7/dist-packages/ldap/ldapobject.py", line 483, in result4
    ldap_result = self._ldap_call(self._l.result4,msgid,all,timeout,add_ctrls,add_intermediates,add_extop)
  File "/usr/lib/python2.7/dist-packages/ldap/ldapobject.py", line 106, in _ldap_call
    result = func(*args,**kwargs)
INVALID_CREDENTIALS: {'desc': 'Invalid credentials'}