Hi masters.
When I add an inherited view to the view and save it, the system prompts RPC_ERROR.
Thanks in advance!
OS:windows 11 home edition
Odoo version: 16

//Architecture:
group
field name="category_id" position="after"
field name="x_shipname_str"/
/field
/group
//RPC_ERROR Odoo Server Error
Traceback (most recent call last):
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\http.py", line 1549, in _serve_db
    return service_model.retrying(self._serve_ir_http, self.env)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\service\model.py", line 134, in retrying
    result = func()
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\http.py", line 1578, in _serve_ir_http
    response = self.dispatcher.dispatch(rule.endpoint, args)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\http.py", line 1775, in dispatch
    result = self.request.registry['ir.http']._dispatch(endpoint)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\addons\website\models\ir_http.py", line 227, in _dispatch
    response = super()._dispatch(endpoint)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\addons\base\models\ir_http.py", line 140, in _dispatch
    result = endpoint(**request.params)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\http.py", line 673, in route_wrapper
    result = endpoint(self, *args, **params_ok)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\addons\web\controllers\dataset.py", line 42, in call_kw
    return self._call_kw(model, method, args, kwargs)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\addons\web\controllers\dataset.py", line 33, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\api.py", line 461, in call_kw
    result = _call_kw_multi(method, model, args, kwargs)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\api.py", line 448, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\addons\website\models\theme_models.py", line 376, in write
    return super().write(vals)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\addons\website\models\ir_ui_view.py", line 93, in write
    return super(View, self).write(vals)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\addons\base\models\ir_ui_view.py", line 552, in write
    res = super(View, self).write(self._compute_defaults(vals))
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\models.py", line 3726, in write
    field.write(self, value)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\fields.py", line 4210, in write
    return self.write_batch([(records, value)])
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\fields.py", line 4231, in write_batch
    return self.write_real(records_commands_list, create)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\fields.py", line 4410, in write_real
    flush()
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\fields.py", line 4372, in flush
    comodel.create(to_create)
  File "", line 2, in create
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\api.py", line 410, in _model_create_multi
    return create(self, arg)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\addons\website\models\ir_ui_view.py", line 55, in create
    return super().create(vals_list)
  File "", line 2, in create
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\api.py", line 410, in _model_create_multi
    return create(self, arg)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\addons\base\models\ir_ui_view.py", line 533, in create
    result = super(View, self.with_context(ir_ui_view_partial_validation=True)).create(vals_list)
  File "", line 2, in create
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\api.py", line 410, in _model_create_multi
    return create(self, arg)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\addons\base\models\ir_fields.py", line 657, in create
    recs = super().create(vals_list)
  File "", line 2, in create
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\api.py", line 410, in _model_create_multi
    return create(self, arg)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\models.py", line 3925, in create
    records = self._create(data_list)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\models.py", line 4177, in _create
    records._validate_fields(name for data in data_list for name in data['stored'])
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\models.py", line 1376, in _validate_fields
    check(self)
  File "C:\Program Files\Odoo 16.0.20221113\server\odoo\addons\base\models\ir_ui_view.py", line 414, in _check_xml
    view_arch = etree.fromstring(view.arch)
  File "src\lxml\etree.pyx", line 3237, in lxml.etree.fromstring
  File "src\lxml\parser.pxi", line 1896, in lxml.etree._parseMemoryDocument
  File "src\lxml\parser.pxi", line 1777, in lxml.etree._parseDoc
  File "src\lxml\parser.pxi", line 1082, in lxml.etree._BaseParser._parseUnicodeDoc
  File "src\lxml\parser.pxi", line 615, in lxml.etree._ParserContext._handleParseResultDoc
  File "src\lxml\parser.pxi", line 725, in lxml.etree._handleParseResult
  File "src\lxml\parser.pxi", line 654, in lxml.etree._raiseParseError
  File "", line 1
lxml.etree.XMLSyntaxError: Document is empty, line 1, column 1