Error:
Odoo Server Error

Traceback (most recent call last):
  File "F:\odoo12\odoo\odoo\http.py", line 656, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "F:\odoo12\odoo\odoo\http.py", line 314, in _handle_exception
    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])
  File "F:\odoo12\odoo\odoo\tools\pycompat.py", line 87, in reraise
    raise value
  File "F:\odoo12\odoo\odoo\http.py", line 698, in dispatch
    result = self._call_function(**self.params)
  File "F:\odoo12\odoo\odoo\http.py", line 346, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "F:\odoo12\odoo\odoo\service\model.py", line 98, in wrapper
    return f(dbname, *args, **kwargs)
  File "F:\odoo12\odoo\odoo\http.py", line 339, in checked_call
    result = self.endpoint(*a, **kw)
  File "F:\odoo12\odoo\odoo\http.py", line 941, in __call__
    return self.method(*args, **kw)
  File "F:\odoo12\odoo\odoo\http.py", line 519, in response_wrap
    response = f(*args, **kw)
  File "f:\odoo12\odoo\addons\web\controllers\main.py", line 967, in call_button
    action = self._call_kw(model, method, args, {})
  File "f:\odoo12\odoo\addons\web\controllers\main.py", line 955, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "F:\odoo12\odoo\odoo\api.py", line 759, in call_kw
    return _call_kw_multi(method, model, args, kwargs)
  File "F:\odoo12\odoo\odoo\api.py", line 746, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "f:\odoo12\odoo\openg2p-erp\openg2p_registration\models\openg2p_registration.py", line 599, in find_duplicates
    my_list = self.search_beneficiary()
  File "f:\odoo12\odoo\openg2p-erp\openg2p_registration\models\openg2p_registration.py", line 692, in search_beneficiary
    "bank_account": str(self.bank_accound_id.acc_number),
AttributeError: 'openg2p.registration' object has no attribute 'bank_accound_id'