Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.7/notifier/threads.py", line 82, in _run
    tmp = self._function()
  File "/usr/lib/pymodules/python2.7/notifier/__init__.py", line 104, in __call__
    return self._function( *tmp, **self._kwargs )
  File "/usr/lib/pymodules/python2.7/univention/management/console/modules/udm/__init__.py", line 406, in _thread
    module.modify(properties)
  File "/usr/lib/pymodules/python2.7/univention/management/console/modules/udm/udm_ldap.py", line 86, in _decorated
    return method(*args, **kwargs)
  File "/usr/lib/pymodules/python2.7/univention/management/console/ldap.py", line 143, in _decorated
    result = func(*args, **kwargs)
  File "/usr/lib/pymodules/python2.7/univention/management/console/modules/udm/udm_ldap.py", line 445, in modify
    obj.modify()
  File "/usr/lib/pymodules/python2.7/univention/admin/handlers/__init__.py", line 318, in modify
    return self._modify(modify_childs, ignore_license=ignore_license)
  File "/usr/lib/pymodules/python2.7/univention/admin/handlers/__init__.py", line 793, in _modify
    self._ldap_pre_modify()
  File "/usr/lib/pymodules/python2.7/univention/admin/handlers/computers/linux.py", line 508, in _ldap_pre_modify
    univention.admin.handlers.simpleComputer._ldap_pre_modify(self)
  File "/usr/lib/pymodules/python2.7/univention/admin/handlers/__init__.py", line 2249, in _ldap_pre_modify
    self.check_common_name_length()
  File "/usr/lib/pymodules/python2.7/univention/admin/handlers/__init__.py", line 1691, in check_common_name_length
    zoneName = univention.admin.uldap.explodeDn(zone[0], 1)[0]
IndexError: list index out of range
 Die Ausführung des Kommandos udm/put computers/computer ist fehlgeschlagen: