I'm using odoo12, when i tried to use -Edit Action- in order to  change view Ref. to "account.journal.tree " instead

of "account.journal.Kanban

i'm new to odoo......... so please forgive me about my bad explanation  

i got this Error when i pressed on (Sales)

Error:

Odoo Server Error

Traceback (most recent call last):

  File "/home/amraly/Desktop/odoo_12/odoo/http.py", line 654, in _handle_exception

    return super(JsonRequest, self)._handle_exception(exception)

  File "/home/amraly/Desktop/odoo_12/odoo/http.py", line 312, in _handle_exception

    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])

  File "/home/amraly/Desktop/odoo_12/odoo/tools/pycompat.py", line 87, in reraise

    raise value

  File "/home/amraly/Desktop/odoo_12/odoo/http.py", line 696, in dispatch

    result = self._call_function(**self.params)

  File "/home/amraly/Desktop/odoo_12/odoo/http.py", line 344, in _call_function

    return checked_call(self.db, *args, **kwargs)

  File "/home/amraly/Desktop/odoo_12/odoo/service/model.py", line 97, in wrapper

    return f(dbname, *args, **kwargs)

  File "/home/amraly/Desktop/odoo_12/odoo/http.py", line 337, in checked_call

    result = self.endpoint(*a, **kw)

  File "/home/amraly/Desktop/odoo_12/odoo/http.py", line 939, in __call__

    return self.method(*args, **kw)

  File "/home/amraly/Desktop/odoo_12/odoo/http.py", line 517, in response_wrap

    response = f(*args, **kw)

  File "/home/amraly/Desktop/odoo_12/addons/web/controllers/main.py", line 962, in call_kw

    return self._call_kw(model, method, args, kwargs)

  File "/home/amraly/Desktop/odoo_12/addons/web/controllers/main.py", line 954, in _call_kw

    return call_kw(request.env[model], method, args, kwargs)

  File "/home/amraly/Desktop/odoo_12/odoo/api.py", line 745, in call_kw

    return _call_kw_model(method, model, args, kwargs)

  File "/home/amraly/Desktop/odoo_12/odoo/api.py", line 718, in _call_kw_model

    result = method(recs, *args, **kwargs)

  File "/home/amraly/Desktop/odoo_12/odoo/models.py", line 1376, in load_views

    for [v_id, v_type] in views

  File "/home/amraly/Desktop/odoo_12/odoo/models.py", line 1376, in <dictcomp>

    for [v_id, v_type] in views

  File "/home/amraly/Desktop/odoo_12/addons/mail/models/mail_thread.py", line 410, in fields_view_get

    res = super(MailThread, self).fields_view_get(view_id=view_id, view_type=view_type, toolbar=toolbar, submenu=submenu)

  File "/home/amraly/Desktop/odoo_12/odoo/models.py", line 1462, in fields_view_get

    xarch, xfields = View.postprocess_and_fields(self._name, etree.fromstring(result['arch']), view_id)

  File "/home/amraly/Desktop/odoo_12/odoo/addons/base/models/ir_ui_view.py", line 1095, in postprocess_and_fields

    self.raise_view_error(message, view_id)

  File "/home/amraly/Desktop/odoo_12/odoo/addons/base/models/ir_ui_view.py", line 548, in raise_view_error

    raise ValueError(message)

ValueError: Field `type` does not exist

Error context:

View `account.journal.kanban`

[view_id: 529, xml_id: account.account_journal_view_kanban, model: account.journal, parent_id: n/a]