Traceback (most recent call last):
  File "/usr/lib/python3.5/site-packages/trytond/protocols/dispatcher.py", line 162, in _dispatch
    result = rpc.result(meth(*c_args, **c_kwargs))
  File "/usr/lib/python3.5/site-packages/trytond/wizard/wizard.py", line 287, in execute
    return wizard._execute(state_name)
  File "/usr/lib/python3.5/site-packages/trytond/wizard/wizard.py", line 318, in _execute
    result = self._execute(transition())
  File "/usr/lib/python3.5/site-packages/trytond/modules/account/account.py", line 1958, in transition_create_account
    account_template.type.create_type(
AttributeError: 'NoneType' object has no attribute 'create_type'